<<

+;5)W& +:M& P ;E'8ZW& A&a8 

WR ,;S\Y( .)\cZL\Y( =Rc/c =G:Y( [)XB ]\ [XB [X ]!B+ -Rc=L\Y( .)^)+Y( -BU)^\ [DSY( (:/Y( Qc=Hc HS7Y( .(=/\(=+c -4Y)L\Y( *@7+ .UcY( J\ =G:Y(

;E8W& cG^ )a;c4cY )G=B [XB c -R c ')\X c 4cYc+ [\)K ( CAC, 2001% -7DZY =)F ]\)X =1 ZK

.)^')XY( .c\ c )V+c c\^c ;c4c ZK ]>:/Y(c QZP/Y(c -4Y)L\Y( Qc=H =1!/ [DSY( (

(-7DZY =)FY( =1(% E=\Y( • W)\@( ;)D\c W\@Y( .)4/^\ R _=)B/^(c [\)LY(A]')XY( =;D\ c ,cX • W)\@( ;)D\c W\@Y( .)4/^\ R )V+Y(c c\^Y( • (-4=7Y( ;c;7Y( WY< R )\+% -+)U=Y(c -)UcY( • c . E=WL/Y( [V/. I Z )\Y -\> Y( *^(c4Y( EL+ a [DSY( (

+2aWa)W& ;E'8ZW& .5

-')7( -'cB^Y( .)^\(c (]@X/ZY -4/^\ c -;L\ ]cX/ /Y(% -F=\\Y( )=/X+Y( -4cYc+Y( =G):\Y( [\B/ 2-=7+Y( (]@X/%[c\@Y(c .)ZSGY(c .)@c=SY(c

(Hans Henrik Huss/Lone Gram% +D;ZZW& ';-V)W& .5

)W=/X+Y( EWL+ [V^/c 2 E=\Y)+ ])@^ ( -+)D# R *+@// ;U /Y( )=/X+Y( )b^!+ -F=\\Y( )=/X+Y( Q=L/ ]+ ;;LY( -ZZU [)LGY( T=G ]K [V/^/ /Y( - F=\\Y( )=/X+Y( ]#c 2 -

2( ]W@X/% `\c\W@ `R 3/^ 

 (;W4 ,=+X ;(;K!+ .=1)X/ -\)@Y( ,;)\ZY -4/^\Y( )=/X+Y( ]cX/ ] [\@/Y( F/V . )7Y( [HL\ SR E=\Y( 2_;(=;>( [+U [)LGY( R ([(=OA,=\L/@\Y( [XB .(;7c  , %

;WU ;L\Y( [\)LY(c 2 - Y( -7Y( -=/X+Y( ) :Y( ;;K ]#c 2( [)b@# :,=(=7Y( -4=; I)S/=(% ,>\\Y( E(=K( -+@^Y)+ () :  ,  <% JS/=\ `^ Qc=L\Y)R 2 )=/X+Y( ?^4 *@7+ ])+/Y( ;;B ( -;L\Y( )^;Y( -K=4Y(% I(cW^ EWL+ WY# -+@^Y)+ (;4 ES:^\c (Twedt, 1989) Vibrio spp. -Kc\4\ ]\ -F=\\Y( .)A\FY( Y# 2(Kothary and Babu, 2001) Shigella c Salmonella typhi )Wb/L+G WZK )W^+ .)W'R 0 1 Y# -=7+Y( -

(1.5 [c;4Y(% -')\Y( -'+Y( • (2.5 [c;4Y(% -\)LY( -'+Y( • (3.5 [c;4Y(% =B+Y(A^(c7Y( I;c/@\Y( •

21.5 [c;W4Y( ]W\ ]+/ )\X -ZZU ]cX/ )\ ,;)K W)\@( R ,;c4c\Y( ])@^ Y -F=\\Y( )=/X+Y( .)\X ]# (=1!/ -G7\Y( ,=(=7Y( -4=; =1"/c 2 .)c:=Y( .)@=/S\ )L\ Rc .)c:=Y( R =+X >X=/+ .)\X ;4c/c 2-X\@Y( -Yc( ;(c\Y( Rc -'+Y( R L+G [XB+ ;c4c\Y( TU;Y( .+^ZY (SXY(c A\XY(% *X=/Y( ZK (;;B

2( (Huss 1997) ]K% -L+GY( [X7+ W)\@( R ,;c4c\Y(c -')\Y( -'+Y( R ]Gc// /Y( -F=\\Y( )=/X+Y( 1.5 Za92W&

,'ZVW& XB& Z%aZW& ,'\%'VW&

]XYc W\@ [(=OA,=+O    -\)K -ZZU =7+c -Y;/L\Y( -')\Y( -'+Y( I(c^ ; botulinum W\@ [(=OA,=+O   [4=@ R =1)X// ;Y)\BY( *GVY( ]/c=+ZY -Y)7 =O B,E,F (E Ic^% -')\Y( -S4Y(   [XB .(;7c  z  Y# [D/ -'R(;Y( -=7+Y( _)\Y( =B/^\ I[\B/ Vibrio spp. -F=\\ .)\F

Y# [D/ ;-R;D W)\@ [(=OA,=\L/@\Y( (-c'\ -4=; <% V.cholerae  R [(=OA,=\L/@\Y( [XB .(;7c  z V. parahaemolyticus W\@Y( [X!/ /Y( -R;DY( W)\@( )L\ V. vulnificus W\@ ;-'R(; -')\ -'+ Plesimonas shigelloides (](c7% -+

29 )W=/X+Y( I(cW^ JW\4 ] ZK ;X!/Y( )F P+^c 2(2.5 [c;4Y(% -\)LY( -'+Y( R ;c4cY( -ZZU -F=\\ Y( )=/X+Y( ]# WY\=/ .)^4 c ;\> + monocytogenes [W1\ .)^')XY( ]\ ;;L+ TZL/ )\R `^ =O 2 (Dalsgaard et al., 1996) -\)K -7D -ZXB\ [XB/ 2-F=\\Y( =Oc -F=\\Y( .(=/LY( ]+ >\/ZY -Rc=L\ -V=G =R(c//

2(Huss, 1997) W\@Y( R ;4c/ )\ (=1Xc -\)LY( -'+Y( R ]Gc// /Y( -F=\\Y( )=/X+Y( 2.5 Za92W& ,'ZVW& XB& Z%aZW& ,'\%'VW& .)4/^\Y( R ,=\L/@\Y( [XB .(;7c  AL/ :,=ca;/\Y( .)/)+^Y( :-+=/Y( -4>)GY( -X\@Y( (-Y;/L\Y(% -\)LY( .)'+Y( R ,;)K (-+=/ [OA,=+O % -\)K -ZZU -+=/Y( ; A,B :]/c=+ZY -Y)7 I(c^  -+=/ [OA,=\L/@\Y( [XB .(;7c  $ .)^(c7Y( ; (A)-+=/Y( (B, C, D, E)

[\ c [OA,=\L/@\Y( [XB .(;7c  $ -L+GY( -'+Y( R AL/ spp. -4Y)L\Y( c -'^Y( -

=a)WHY( WR )bZK =1Lc 2=B+Y(A ^(c7Y( I;c/@\Y( R ;4c/ /Y( -F=\\Y( )=/X+Y( 3.5 [c;4Y( R ;=/ 0cWZ/Y( *+W@ ]cX ])7( [HL\ Rc 2 E(=K( ]\ Y):Y( c E=\Y( )bY [\)7Y ( C:BY( M;Y [:(;Y(c 2(_)\Y( -Kc^ c -4Y)L\Y( -R)H^ -ZU :-D:BY( -R)H^Y( CV^% -\)LY( -R)H^Y( -ZU -X\@Y( .)4/^\Y)+

c W\W@  WR ])W@^ Y -F=\\Y( )=/X+Y( ]\ -Kc\4\ QBX ])X\ )+ )\'(; ]cX ;)X `^ ZK ;;B/Y( P+^ W\W@Y( R L+GY( .+^Y( ]\ (>4 .)F=\\Y( _Z )\ -W\XY( ]\ ZK c % -Y)K -K=4 -;L\Y( -'+Y( .)F=\ZY -;L\Y( )^;Y( -K=4Y( ] (=H^ ]XYc :-\)@Y( I(c^( ZK -+W@^Y)+ -')UcY( =+(;/Y( ] ^L (Z c\^Y( EL+ ]$R (-X\ @Y( .)4/^\Y( R ,;c4c\Y( -L+GY( 2(4.5 [c;4Y( J4(=% .)4/^\Y( R .)^')XY( c\^ J^\ R [1\// .)F=\\Y( WZ/ J\4 Y#

2=B+Y(A^(c7Y( I;c/@\Y( R -F=\\Y( )=/X+Y( 3.5 Za92W&

,'ZVW& XB& Z%aZW& ,'\%'VW&

Y):Y( [\)7Y(c E(=K( < [\)7Y( R ])+// [;Y( .(< .)^(c7Y( )L\ Salmonella spp. )Wb^!+ -=7+Y( - ;Z4Y( ]\ [@A,=\L/@\Y( [XB .(;7c  -+@^+ (Q^(% -\):^Y(

 )W\R .)W^')X  ]W\ [U Y# -^;/\ c -Y)K ]cX/ ;U =B+Y( z ^(c7Y( I;c/@\Y( R -;L\Y( )^;Y( -K=4Y( ]# )W=/X+Y( ]\ Ic^Y( (Z :)F=\\ 3/^ (toxin% [@ cac Staphylococcus aureus )bR

-=7+Y( -

C;ZW& ZJP +QV +)'B& J)EW& Z%aZW& YZ>-W& '\9W& +I;2W& '\9W& +I;2W& C;ZZXW *;NBW& +9JZW& *;)VW& +9JZW&

Clostridium botulinum Vibrio spp. -')\Y( -'+Y( E (non-proteolytic) (Aeromonas) (Plesiomonas) Clostridium botulinum  Type A, B (proteolytic) Listeria monocytogenes -\)LY( -'+Y( C. perfringens 

Staphylococcus aureus S. typhi Salmonella A^(c7Y( I;c/@\Y( Shigella E. coli (EPEC, ETEC)1 =B+Y( E. coli (EHEC)1 Campylobacter )=/X+Y( c\^ J^\ I-\)LY( -7DY( )=/X+Y( c\^ J^\ -')UcY( =+(;/Y( GHP/GMP EPEC: Enteropathogenic E. coli; ETEC: Enterotoxigenic E. coli;. EHEC: Enterohaemorragic E. coli.

;cW4c ;=W4\ ]#c 2 -W=7+Y( -Wa)4Y( . cX!\Y( R /7 -\ @Y( [O(cB R 2=;^ (,=PD ;(;K!+%-\)LY(c -')\Y( -'+Y( ]\ .)F=\\

TWZL/ )W\R )W\)a O)B [XB =B+Y(A ^(c7Y( I;c /@\Y( ]\ .)F=\\ ;c4c ]# WY< ]\ ?XLY( ZKc [WHL\ (># -\ W@Y)+ TWZL/ )\R )\)a O)B .)F=\\Y( c\^ [XB WYa)4Y( . cX!\Y( .)4/^\ .)W4=;  ]W\ =W1X % -LS/=\Y( ,=(=7Y( .)4=; R # [/ ] ]X\ .)F=\\Y( WZ/ c\^ ] <# 2,;c;7\ [+U `/bX^c `/7'(=Y -4/^ W\@Y( ER= )\ )+Y)Oc -K=@+ ;)@SY( =4 -Y)7Y( _

 2-=7+Y( -

+Z >W& ZM&a@ 0<'EW& UZ>W& J)EW& Z%aZW& *<_'2W& ,'2-\ZW& ZVW 9JZW& C;ZZW& +W'5 C;ZZXW $\ 6a)EZ

- - - _;c4c -')\Y( -'+Y( + (+) - _c\^ - - - _;c4c -\)LY( -'+Y( + (+) - _c\^ + + - _;c4c =B+Y(A^(c7Y( I;c/@\Y( + + (+) _c\^ -\ @ [O)B ;4c .z. ;;c;7\ -\ @ [O)B .(‡%. ;;X!/Y)+ -\ @ [O)B .‡. 1 29.5 [c;4Y( J4(= 2 0;W7 ] GVR ]X\c 2 -\ @Y)+ TZL/ )\ [O(cBY( ]\ =1 bGZY ;L\Y( &^Y( W\@Y( R .)F=\\Y( c\^ ]# [1\Y)+ .)WF=\\ cW\^ )W\ 2 .)WF=\\Y( bGY( [/V Qc@ -;7Y( . )7Y( Rc :ER=/c ;@S/ ] [+U ;c;7\ c\^ )bY ;= )\Y )VRc `X b/@( [+U bGZY ;L\Y( &^Y( W\@Y)+ TZL/ )\R (=B)+\ )PB^( =1 cbR =B+Y(A ^(c7Y( I;c/@\Y( 2.)F=\\Y( WZ/ [LS+ 9+G\Y( -'+ c -4Y)L\Y( 0cZ/c =)B/^ ( ,;)>Y -4/^ )c^)1 (=G: [XB ;VR WY< J\c :_ K

+Z'JW&a +%'ZW& +%)W& P ?J- -W& ';-V)W&.1.1.1.5 [/W )W\ (=1X -\)LY( c -')\Y( -'+Y( R ,;c4c\Y( ])@^ Y -F=\\Y( )=/X+Y( ]K -4/)^Y( E(=\( ZK ,=G@Y( ]# [W\(cLZY E(=L/@ ( 7.5 c 6.5 ]Yc;4Y( R ;=c 2 ,;c4c\Y( .)^')XY( ]\  ZK )FVY(  , )ac\^ J^\ T=G ]K ( T')WU; :](cW1% -^\>Y( ,;\Y( Y# D ,=(=7Y( -\c)V\ -4=; =B/ c 2,=(=7ZY .)^')XY( _ Y(

(Huss, 1994; ICMSF, -W\)LY(c -')\Y( -'+Y( R ]Gc// /Y( -F=\\Y( )=/X+Y( c\^ ]\ ;7/ /Y( [\(cLY( 6.5 Za92W& 1996)

NaCl (%) aw pH Y° *;&;5W& +2;9 cBS& 95W& c\9& 95W& c\9& 95W& Z/Z& 95W& c\9& 95W& +D;ZZW& ';-V)W&      Clostridium botulinum 10 0.94 4.6 40-35 10 Proteolytic, type A, B, F 5-3 0.97 5.0 28-25 3.3 non-proteolytic, type B, E, F      Vibrio spp. 8> 0.97 5.0 37 10 V. cholerae 10-8 0.93 4.8 37 5 V. parahaemolyticus 5 0.96 5.0 37 8 V. vulnificus 5-4  4.0 37 8 Plesiomonas shigelloides 5-4 0.97 4.0 35-28 4-0 motile Aeromonas spp 10 0.92 4.6 37-30 2-0 Listeria monocytogenes 10 0.93 5.0 40-30 14 Bacillus cereus 10 0.93 5.5 47-43 12 Clostridium perfringens ,=(=7 -4=;+ \)^// .)^K [>K [/ WY< J\ c :z Y(c7 )^; _=(=7 -4=;+ -'+ R `4c ]@7 ZK \)^/ c c\^ B. cereus . @ [HL\ 21 2-FS:^\

 (Huss, 1994; ICMSF, 1996; ,=(=W7ZY -W\)LY(c -')\Y( -'+Y( R ]Gc// /Y( -F=\\Y( )=/X+Y( -\c)V\ 7.5 Za92W& Ababouch 1987) *;&;5W& +Za'TZ +D;ZZW& ';-V)W&

 Clostridium botulinum

T S% 0.25 - 0.1 „ (.)Pc+% D121 proteolytic, type A, B, F -Y)K ]ca; -+@^ ZK c/7/ .)4/^\ O T S% 7.44 „ (.)Pc+%D119 (Q*_ ) T S% 2.0-0.5 = D82.2 1T S% 0.1> (.)Pc+% D100 non-proteolytic, type B, E, F  -Y)K ]ca; -+@^ ZK c/7/ .)4/^\ O T S% 10.5- 4.5 „ (.)Pc+% D80

Vibrio spp. T S% 0.24 = D55 V. cholerae T S% 0.71= D60 V. parahaemolyticus (=)7\Y(% T S% 0.661 (buffer/ &8_) T S%1.15= D50 V. vulnificus

] 60 -4=;+ -VU; 30 ;L+ ) :Y( J\4 [/U . Plesiomonas shigelloides

 T S% 0.17 =D55 motile Aeromonas spp

U `/  O T S% 1.95 $ 4.48 ;[c7ZY( .)4/^\ R T S% 16.7-2.4 = D60 Listeria monocytogenes

 (buffer/ &8_)T S% 2.35 -0.03 „ (.)Pc+% D121 Bacillus cereus  \ T S% 19 -3.0 „ (.)Pc+% D95

(buffer/ &8_)T S% 4.93 $ 0.015„ (.)Pc+% D90 Clostridium perfringens (Q*_) T S% 13.0-0.31 „ (.)Pc+%D100

(Hans Henrik Huss% Clostridium botulinum

I(cW^( [W@V/ ]WX\c 2 G WY# A ]\ (]@X/% .)\@Y( I(c^ ]+ -S^D\ Clostridium botulinum [! IY)/Y( c7^Y( ZK ]/'R Y# (A,B,E,F I(c^(% ])@^ Y -F=\\Y(

-WY;/L\Y( ,=(=W7Y( -WSY c ,=(=7ZY ,;\)D )F a /Y( Fc Bc A ac ]/c=+ZY -Y)7Y( I(c^( • L+GY( )bZ'c\ -\)LY( -'+Y( =+/L/c :NaCl [\/7/c ,=(=W7Y( .)W4=; [\/7/c :,=(=7ZY -@)@7 a /Y( Fc Ec B ac ]/c=+ZY -Y)7Y( =O I(c^( • 2L+GY( )bZ'c\ -')\Y( -'+Y( =+/L/c :NaCl WY -@)@7 c -FS:^\Y( -')+cY( _=a)H\ EL+c E=\Y( (

5c(=/ ;Uc 2 ]Yc/c+Y)+ ])@^ ( -+)D# R (A,B,F% C. botulinum I(c^ )b4/^ /Y( (]@X/% .)\@Y( *+@// ;WU \Y( c -+)+WFY( -W"=Y(% =D+Y( >4K [1\ -+DK E(=K )\bZ VY(c ])1PY( R ,;)K [1\//c .)WX=7 [WH^/ -+cLWDc :( TZ7Y( Q)S4 :;(=;> (c [ XY( -+cLD% T^LY(c [SZY -L+GY( Q')HcY( ](;VRc 2-=cSY( ,)RcY( Y# ;" )\ ,;)K 4LY(c :. FLY(

[c( QD^Y( -(;+ Rc 2 I(c^( =G: ]\ ]cX A ]Yc/c+Y( ]7 R )L=@ `F(=K =bH/ )\ ,;)K E ]Yc/c+Y( ]# -;FY( [)D\( =R(c/ J\ [cY( ]XYc 2 ;> c u Y(c7 NZ+/ E=\Y( (

33 )\ 2 E Ic^ ]\ ,;)K ]cX/ c W)\@)+ G+/=/ -Y;/L\Y(c -Y)\BY( TG)^\Y( R ]Yc/c+Y( BS/ . )7 [HL\ ]# 2 ]KcW^Y( ]

>c)W4/ ])W@^ ( ;^K ,)RcY( 0(;7 =A;V \Y( [> Y( =;VY)R -ZK)R [c\@Y( =1X ]\ ]Yc/c+Y( (]@X/% [@ ]# ]\  ]\( [GL/ZYc 2 TcR Ph -+@^Yc ,=(=7ZY ?)@7 [@Y( (X=/ .)4=; R ]Yc/c+Y( [c\@ ;)LY( Y>^\Y( bGY( ]$R [1 ]\c 2(Hauschild 1989) -c'\  ,=(=7 -4=;c T')U;  c :-c'\  ,=(=7 >)/\\Y( -\ @Y( [4@ *)+@ ;7 WY< ])X )\+=c 2 ]Ac X /\ [@  =\;/Y ])R)X -'^Y( -X\@Y( .)4/^\Y( =\7/c 2 C. botulinum ]K -\4)^Y( . XB\Y)+ TZL/ )\R 3Y)L\Y( =O W\@ZY

;WVY( W\W@ [1\  ]\ ZK Ph .(< -X\@Y( .)4/^\Y( R )L=@ =\;= ]Yc/c+Y( (]@X/% [@ ] ]7 R ;(cW\Y( WR ]cX/\Y( ]Yc/c+Y( [@ ZK )F =1L [1 ]\c F\7Y(c 6Y)\Y( G@cY( R (;4 .+)1 `^$R ;L\Y( 2 =W\: /Y( c [WZ:/Y( c 6WZ\/Y( ;;WB W\W@Y( [W1\ -W')b^Y( .)W4/^\Y( WR ;W(>/ ;WU [+ -'^Y( )a=1 S/U( /Y( ]Yc/c+Y( BS/ . )7 ]\ =1XY( ] WY< ZK [; )\\c 2 (Huss and Rye Petersen, 1980) 2 C. botulinum c\^ [\/7/ .)4/^\ )a=;D\ ])X -X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( -4=; (*

_)W\% -')\Y( -'+Y( R J@(c T)G^ ZK =B/^/ E Ic^Y( )\@ c ]/c=+ZY -Y)7Y( =O C. botulinum I(c^ .(=+O ]# TG)W^\Y( *W@(c= .)^K ]\ u ;)X [1 ]\c 2 Y)\BY( *GVY( TG)^\c -Y;/L\Y( TG)^\Y( R ( -+c/ 2

-W^=/V\Y ( =WO [)WU=( =B/ 2W)\@( R Clostridium botulinum (-c'\Y( -+@^Y( ?)@ ZK% =)B/^( 1.5 ZV@W& 2 QWB/X [WY „ND 2)bR)B/X( [/ /Y( C. botulinum I(c^ Y# =B/R Qc=7Y( )\ ;E Ic^Y( Y# Q=7+ Huss (1980) =H^( .()DV/@ ( -L4(=\Y

 (Huss, 1980; Hauschild, 1989; -WF=( -W'+Y(c -W+=/Y( R ]/c=+ZY -Y)7Y( C.botulinum I(c^ ;4c/ )\ (=1X ]# [W1 ]W\c 2)b^cX/c ]Yc/c+Y( .(=+O J>c/ R [)a =c; )bY :-=)VR Y(c -=)VSY( :.)^(c7Y(c 2Dodds, 1993) WWZ/ WR W )\@( [F/ /Y( ( -+

_)\Y( G)B^c Ph [;L\c ,=(=7Y( -4=; a -

McWDVY( ;c;7Y( 6.5 [c;4Y( ]A +c :-R)F\Y( -HR)7Y( ;(c\Y(c -^\)XY( [(>/: (c ,;@X( -Z\Kc 6Z\Y(c(aw) 2c\^Y( 6// /Y( .(=/\(=+Y( WZ/Y )^;Y(c

WR [)WU=( _/ [U( ZK [\(cK -1 1 -\1c 2 ;=S^\ ;7(c ]')XXc ,=+X IC. botulinum -+U(=\ [4 ]\ 6.5 [c;4Y( R ,;=(cY(

[WHL\ WR -\;:/W@\Y( .)c/@\Y( ]\ =1X+ ^; W)\@( R C. botulinum WY L+GY( Mc/@\Y( ]# • -Z1)\\ Qc=H R (=1X =:!/@ (]@X/% -\)@Y( ,;)\Y( 2)/^#c c\^ R ;+Y( [1 ]\c 2-=+/:\Y( .)@(=;Y( EWL+ W)^a )F c 2) \)@ 3/^\Y( 6+D ] [+U ;)@SY( 0;7 ;U -X\@Y( .)4/^\Y)+ G+/=\Y( .+^Y( ]# • C. botulinum 6+X/ ] )b^!B ]\ /Y( -VU;Y( .)^')XY( Eh )W\ 2(Eh% -FS:^\ -^\)X [(>/:(c ,;@X -Z\K c\^Y [FS '(ca ]')X C. botulinum ]# • cW\^Y( =:"W ;U )\\(Huss and Larsen, 1979, 1980) -Y)K bR -X\@Y( .)4/^\Y(c W)\@( ;^K 2-4cYc=/X+Y( G)@c( R M=: -Z1)\\ Qc=H R -\)@Y( ,;)\Y( 2)/^#c

C. botulinum cW\^ [b@c ]4@X( [\L/@ ;U `^ <# =G):\Y( ]\ ;> ] `^!B ]\ TU; .+^+ ](=/U ( ] =O -W+U(=\ [W4 ]W\ 6.5 [c;4Y( R ,;=(cY( [)U=( [(;:/@( ] (<# 6F(cY( ]\c 2 -\)@Y( ,;)\ZY `4)/^#c E Ic^ ]\ 2 -ZV/W@\ ,=cWD+ [LS/ )\ (=;)^ [\(cLY( WZ/ ] ZK ;X!/Y( )F P+^c 2[HK ])\ A\)a =Rc C. botulinum 2;;DY( ( / =)1 )bY ]cX/c -L\/4\ [LS/ )\ ,;)K bR

 ;7(cY( [(=PZY E Ic^ ]\ C. botulinum .(=+O ]\  W+ -7VZ\Y( -^:;\Y( W)\@( R (]@X/% [@Y( 2)/^# 8.5 Za92W& (]:)@ ]:;/% )L+G 0cZ\ W\@ [(;:/@)+ c (;=)+ ]:;/%

H2;ZW& [Z< *;&;5 +2;9 4XZW& +)>\ +Z>W& [<8-W& 1-\ZW& Dufresne et al., 2000 >28d. ] %1.7 (;=)+ )^:;/ ]:;\ ]c\Y)@ Cann and Taylor, 1979 >30d. ]  %3 )^:)@ )^:;/ ]:;\ .c=/

[)WLR c7^ ZK 6+X -FS:^\ ,=(=7 -4=;c 6Z\Y( ]+ J\4Y( ] 8.5 [c;4Y( R ,;=(cY( .)^)+Y( ]\ 6F/ Lund and Peck (2000), Eklund (1993) WR ;=Wc 2C. botulinum ]W\ ()ac\^c% -\)@Y( ,;)\Y( 2)/^# (;4 2c\^Y( ]\ ;7/ /Y( [\(cLY( =1!/Y ZDS/ E(=L/@(

I(c^ ]+ D -\VY( (=1X ])+//c 2C. botulinum .(=+PY =(=7Y( [GL/Y( ]!B+ -L@c\ .)@(=; .=4 ;VY =W1X+ -W\c)V\ [U ]/c=+ZY -Y)7Y( =O .(=+PY( ] H7cYc 2Ic^Y( ?S^ ]\ .(=/K ]+c [+ C. botulinum -\a ]/c=+ZY -Y)7Y( =O I(c^( -\c)V\ ;/=/c 2  [c;4Y( ]\ 6F / )\X ]/c=+ZY -Y)7Y( I(c^)+ -^=)V\

 .(=W+PZY ,>)W/\\ c\^Y( Qc=H ]cX/ 07 :,=/@+\Y(c -G@+ ,=(=7+ -4Y)L\Y( .)4/^\Y)+ TZL/ )\R -D): ]A + )\X ]/VU;c -VU;   ]+ 5c(=// ] ]X\ .)4/^\Y( _

-=)WB/@ ( ])W4ZY( ]W\ ;;K `+ Dc )\Y )VRc :]/c=+ZY [)7Y( =O C. botulinum (>#  NZ+ -\ @ (Martens, 1999)

]W+ D121 [U 5c(=// -\)Kc 2=1X+ ZK ,=(=7ZY )b/\c)V\ -4=; ]/c=+ZY [)7Y( C. botulinum .(=+O ]# ;Uc :-+ZL\Y( -Fc\7Y( -ZZU - Y( ,=(=7Y( =P/% z [U [;)L/ -\c)V\ .(=/LY( =1X!+ TZL/ )\Rc 2-=(=7Y( (Austin and Dodds, 2001) =)L\X )F ;\/K( )\ cac )+=V/ -c'\ .)4=;  (D -\VY( R )+=V/ -+U(=\Y(c -)UcY( (;

)ac\^ 6+X c .(=+PY( [GL/ T=G ]K W)\@( ;)D\ .)4/^\ R C. botulinum R [X7/Y( TV7/ ]X\ -WY)/Y( .((=4 ( ;7 I)+/( [\B/ C. botulinum C: )\R -\ @Y)+ -VZL/\Y( -^a(=Y( -b4c/Y( %;)+\Y( ]#c I(listed by Martens, 1999)

-c'\   ]\ [U ,=(=7 -4=; R =(=\/@)+ ]>:/Y( • [)  ]\ [U -7 D ,=/R ;;7/ J\ -c'\ - ,=(=7 -4=; R ]>:/Y( • (-c'\ .)4=;  ]\ [U % 3Z1\ ]>:/ J\ T')U;  ,;\Y -c'\  -4=;+ -=(=7 -4Y)L\ •  ]W\ [U % 3Z1\ ]>:/ J\ [)LGY( [7(=\ J\4 R -c'\ .)4=;  [;)L/ c ]\  ^; Ph -+@^ • (-c'\ .)4=; JW\ [)LGY( [7(=\ J\4 R   [;)L c ]\ [U aw c u   >c)4/ c [;)L )\+ 6Z\\ [cZ7\ • 23Z1\ ]>:/

Ph c 6Z\Y)W+% ]/c=W+ZY [)W7Y( =O C. botulinum c\^ 6+X )bR [/ /Y( .)4/^\Y( ] Y# ,=)B ( =;4/c `W^X\ ]/c=+ZY [)7Y( =O C. botulinum ] WY< 23Z1\ ])X\ R )bHS7 WY< J\ P+^ `ZGL/ c (-FS:^\ ]:;\Y( W\@Y( ]\F/ ] F/V X=\ G=B -\1c 2 -c'\ .)4=;  TcR ,=(=7Y( -4=; .^)X (<# c\^ ] >W4 z `Y# QF (<# u  c ()\Y( R 6Z\Y( -+@^% NaCl u  N=S/Y( .7/ !+L\Y(c (;=)+ )^:;/ (FDA, 1998) 6'(=BY( R NaCl u  ]K [V -SZP\Y( W)\@( Rc 2.=/^Y( ]\ ]cZ\Y( R

-+ZL\Y( -=)4/Y( - Y( ,=(=7Y( -4=; ]# 2 -Fc\7Y( -ZZU

c D121 -W\U (<# [;)WL (F -W\VY( )WF A\W@ 

F -\U GL )\\ -VU;   a D121 WY -Rc=L\ [U ZK c 2-c'\  ,=(=7 -4=; R -VU;  „ ! -Fc\7Y( -ZZU -+ZL\Y( -\LGY ]\( 2)/^ ( Y# M;  c   ]+ )\R F [U [(;:/@( ]#c 2„ !  [;)L/ 2( 1\ % ZK F [U -=)4/Y( .)@=)\\Y( R [;:/@/ )\ (=1Xc 2]^@Y( .(=BLY [U ,=(=7 -4=; Rc 2 -=7+Y( -)GY( -\LG( HS7Y Yc( -V=GY( ;=+/Y( =+/L )\ ,;)K ]Kc^Y( ]\ ]/c=+ZY [)7Y( C.botulinum T=G ]K (]@X/% -\@Y( ,;)\Y( 2)/^ =G: ;4c -c'\  ]\ 2)/^ -4Y)L\Y( c HS7Y( .((=4# ]\ ;>\ <):/( [>Z ZK ,=(=7 .)4=; R ]>:/Y( . )7 Rc 2 B c A 29.5 [c;4Y( R `Y C:Z/ ;= )\Y )VRc -^\ -

 2- 3.5% c  ] 90, R S%10) t > ] 10 a (Ph < 4.5 c WPS > 10% c  ] 121,R S% $2.4) WPS = Water phase salt 1

(Lone Gram% (Vibrio% ,'ZDW& ='\2 +IaZ2Z

.)+WD\ Rc -=7+Y( .)'+Y( R )bL\4 ?)^4( _ ( Y# )a;(;K I>^/c -Y;/L\Y( ,=(=7Y( -SY )b@) ^4 [HL\c 2 -=BVY( W)\@(c W)\@( ]K -Yc>L\ [;WY( [\W@/c 5c=4Y( 6V/ [1\ E(=\!+ ])@^ ( *D/ ] ]X\ )@^4  )b^\ )@^4  Ic^Y( ()b4Y( *)b/Y(c Vibrio parahaemolyticus, Vibrio vulnificus, Vibrio cholerae (Oliver and Kaper, 1997)I -WKc\4\Y( ;(=WR [LS+ 2[;Y( [\@/ 0Y)1Y(c -cL\Y( E(=\( ] c( 0;7c

2 -+Y)7GY( -R) 1XY(c -7cZ\Y(c ,=(=7Y( [1\ [\(cL+ )a;(;K c )a;c4c =1!/c -=7+Y( -'+Y( R .)\FY( ?)^4 ]Gc//c 2-G')O -=B+ .)F=\\ ZK .(=B"\ c :-G')PY( -=B+Y( .)F=\\Y(c )a;(;K c )a;c4c ]+ G)+/=( ;4c c

(Lone Gram% Vibrio parahaemolyticus -')+cY( _=a)H\ EL+c E=\Y( (

-W)b4Y( *)b/Y( 0;7 ;U V. parahaemolyticus E=W\Y( =WbHc -K)@  c ]+ ])F/7 ( ,;\ 5c(=//c 2 -)SXY( `R )\+ -bG\Y( =O c -'^Y( )\@ c -=7+Y( (Kaysner 2000)-BK=Y(c A\7Y(c I(;DY(c VY(c ])1PY( M=:( E(=K( [\B/c 2;;B [)b@$+ -'4)S\ ,=cD+ 2 K ]\F/c :Ic+@ ,;\Y =\/@/ ] >)4 ]#c -K)@ c  ]+ 5c(=// ,=/R ]c FO R E(=K( ;\b/ )\ ,;)Kc ]W\  !c ! ]+ )\ ;(=;>( ,=c=F -KcGY( [c)^ /Y( *=)4/ ]\ 6F/c 2-a)\ ( ,;)K$+ ;+Y( . )7Y( [HL\ WY# )W+Y)O M; )\\ ]KcG/\ZY -Fc\7ZY ;)F\ 2 K GK -'(^Y( \FbY( >)b4Y( *)b/Y( *)+@ [a ]\ Ic^Y( (

 ])+)Y(c )+c=c R Vibrio parahaemolyticus [LS+ \FbY( >)b4Y( *)b/Y( . )7 10.5 Za92W& (EC, 2001; CAC, 2002) , '5W& *;-QW& 9X)W& 115 1999-1995 >Zcc ,;7/\Y( -XZ\\Y(   -Y)\BY( (;^Y=(  1999-1994 (;^ /X@(  1998-1995 )^)+@  1998-1995 )@^=R 144 1997 2350 1997-1992 ;c@Y(   3c=^Y(  2000-1980 W=)\^(;Y( 64 000 2000-1991 ])+)Y( )@ ]\ ,;=c/@\ -=7+ -Yc\a c (TDH% ,=(=7ZY ;\)D =B)+\ ]>Yc\aI )V1c )G)+/=( -KcSY)+ ])G+/= -+Y)W@ .(=W/LY( ]\ ;;K ;acBc 2 (c)O)^)X [K)S/ ,=a)HY( _^Y( \FbY( >)b4Y( *)b/Y( 0;7/ TRH -+4c\ )b^XYc TDH ] W(=;# [Wb\Y( ]W\c 2 ])W+)Y( R J@(c T)G^ ZK [;:/@\ [)H^ cac : ( )G\^ % kc ( )G\^ % O .(;F/@\Y( -=WB+Y( . )7Y( ]\ )bY>K [/ /Y( .(=/LY( ]\ u ]7 R -F=\\ =O (uz -+(=U% -'+Y( .(=/LY( -+Y)O )WG)+/=( G+/=W/ V. parahaemolyticus . )7 ]# -Y;/L\Y( ,=(=7ZY -SY( )b/L+GY (=H^c 2(c)O)^)XY -+4c\ )b^ .+1 2(2.5 [XBY(% ,=)7Y( =bB( R ,=1XY( BS/Y( . )7 A-;=SY( . )7Y( 0;7/c : ,=(=7Y)+ )7F(c -X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

2 ]K(=WD\Y( .(< .)Wc:=Y( ]\ )\@ c -=7+Y( -L 2 ,=)W7Y( =bB( R )a;;K I)S/=( J\ -Y;/L\Y( TG)^\Y( R )\@ c ,=(=7Y ( .)4=;Y )VRc )b/)c/@\ ])+//c )\;W^K -W^(c7Y( TY(cLY( J\ _)\Y( R TZG [1 *@(c=Y( R ]')XY( V+ )\ )+Y)O ,;c=+ =1X( =bB( Rc -W7cZ\ .) W4=; R _;(;K ;>/R -7cZ\Y( -4=; _=)B/^( R )F =1"/c 2(EC, 2001) ,=(=7Y( -4=; JS/=/ [W1 .)=BVY( )bZ/ .)=)7\Y( R =+X ;(;K!+ ;4c `^ c;+c(FAO/WHO, 2001) QY( R (>4 z ]\ [U ]+ _;(;K 5c(=// ] ]X\R -=)7\Y( .)c:=Y( R )\ c (Sumner et al., 2001)-S^K>\Y( W)\@( ;c4c [Vc 2[(=OA ,=\L/@\Y( [XB .(;7c  >c) 4// )b^XYc :[(=OA ,=\L/@\Y( [XB .(;7c c [(=OA )^1 c 2,=(=7Y( .)4=; E)S:^ )+Y)O M>L )\\ -+c=c( .)R;DY(c W)\@( R V. parahaemolyticus .)=WBVY( .)W^K ]W\  Y#  ]\ ] .+1 [c( ]=B/A =+c/X Y# *A ?G@O ]\  QDY( =bB (Tilburg et al., 2000) V. parahaemolyticus WY -+4c\ -;^YcbY(



2.5 ZV@W& =cbH . )7 ;;K 5W& 99I V. parahaemolyticus , '

])+)Y( R =cbBY( *@7+

 7 CA 33   3 ? ;`@W& -X\@Y( .)4/^\Y(c W\@Y( R )a")V+c )=/X+Y( c\^ (2

-=7+Y( -)R 2 ]>:/Y( )^1 A7Y( =)7\Y( R )=/X+Y( =1)X// WY:/ A[/ )\;^K )SLF  ;(;K( Q)LWF  Y(c7+ )a;;K ES:^( -c'\ .)4=;  Y# )a;=+/ M=4 )\;^Kc 2 ]>:/Y( ]\ -K)@  ]cFO -WFS:^\ ,=(=7 .)4=; R ]>:/Y( ;" -\)K ,=cD+c (Gooch et al., 2002) ]>:/Y( ]\ )\c  [ : 2[\(cLY( ]\ WY< =Oc )b/7cZ\c -

-4=; z D [VY( NZ+/c 2bGY( T=G ]K -Ycb@+ =\;/c ,=(=7ZY (;4 -@)@7 V. parahaemolyticus ]# TWZL/ )W\R c\^Y( ;c;7+ ])+ 6.5 [c;4Y( R ;=c(Kaysner, 2000) -VU;  z  ]+ )\ 5c(=//c -c'\ 2 pHc ,=(=7Y( .)4=;c NaCl-% [\(cL+ -+U(=\Y(c -)UcY( (;

./+1 ;Uc :-7Y( ]K(=D\Y( .(c< EL+ R QDY( =bB R JS/=/ ] ]X\ V. parahaemolyticus ;(;K ]# ]W\ [W\)K [a ca &^Y( =)7\Y( R (ZD(% Mc/@\Y( ] (FDA, 2000) =G):\Y( [V/Y -1;7 -X=\ -@(=; 3/^\Y( R 0;7 ] P+^ cFLY( ]')XY( c\^ ] Y# =B -1cZ\Y( -K=4Y( -+@^ I)S/=( ] =O 2 =G:Y( [\(cK ()ac\^% )=/X+ZY -Y)LY( .)c/@\Y( ca ,=cG:Y( `4c [XB Y(% [)LSY(c J=@Y( ;=+/ Y( ]#c 2( -ZZU ;(;K!+% )a;c4c ;=4\ ?Yc  ,=(=7 -4=; .7/ ;=+/Y(c 2 V. parahaemolyticus (=4 ]\ \FbY( >)b4Y( *)b/Y( ]\ -)UcY( R -+U(=\Y( c (u ]W\ =W1X -7cZ\% NaCl ]\ >X=/Y( -Y)K .)\X )ac\^ J^\ ] ]X\ )\X 2 )=/X+Y( c\^ J^\ -c'\ ,;W4Y( -7DY( .)@=)\\Y( 3\(=+ ]!B ]\c 2 -HcS7\Y( QD^ .)4/^\Y( R `+ [\LY( =4 )\X E\7/ -Z\K [+ c=+SY( Mc/@\ ZK =X< (=1!/ =1" ,c:=Y( .)R;DY( -V^/ ]#c 2- bG\Y( .)4/^\Y( 0cZ/ [;K ]\F/ ] (FDA, 2000; Eyles and Davey, 1984) ,)V^\Y( .)R;DY( R =1)X/ ;U `^#

Vibrio vulnificus

-')+cY( _=a)H\ EL+c E=\Y( (

]WX\c :W\@Y( E(=\ ]\ M=: -S')Gc ])@^ ( ;^K 5c=4Y( R .)+)b/Y( 0;7 ] ]X\ V. vulnificus ]# -=7 +Y( -)Wb4Y( *WD/ E(=W\ ac (septicemia% [;Y( ]SL/c ()\=/X)+% [;Y( Y# )=/X+Y( [Z@/ R *+@/ `^#

 ]WK )WbL\4 -\4)^ V. vulnificus]K ,=;)DY( -=7+Y( -X=\ =O `/+)D# ]  Yc( [;Y( [\@/ *+@ ;)7 -W^AL\ .)W'R ]\ ]Z/L\Y( C):B( E=\Y( *D )\ [c c 2[)LGY( [c)^/ ]\ -K)@  ]cFO R =bH/c . )7Y( _\Y( ;+XY( QZ/+ ]+)D\Y)X 2E=\Y)+ -+)D ( [b@ ( ;+XY( Qc=H `+ [@// 

WR *+@// )b^ [\/7=c 2-Z7\Y( -')\Y( .)\>^ ( ]\ -Kc\4\c ) :Y( 2=): ]@X/c/@ V. vulnificus 3/^ ;;WL/\ )WBO ;cW4c =c=WFY( ]\c 2 3\:Y)+ -+)D ( ;^K ;a)B 

. )W7Y( ]W\ )bY>K [/ /Y( .(=/LY( ]\ u  Y(c7c 2 V. vulnificus ]\ -SZ/:\ -')7 G)\^ -1 1 -\1c )W\ 2 W\W@Y( ]+)L1 R -4\: .)+)D#  ')7( G\^Y( *+@ ]7 R  ')7( G\^Y( ]\ a -==@Y( 2=7+Y( -

QWDY( =bWB )^1 . )7Y( [HL\ 0;7/c 2 _)\Y( ,=(=7 -4 =; *@7+ zV.vulnificus ;(;K c , E=\Y( =P/c

V.vulnificus  )Wb+ -R;D W)\@ -+)D ( R .++@/ ] 0;7 ]XYc -F=\\Y( -K=4Y( [47 Q=L c 2,=)7Y( ;;WK =;V/c W b/@ (c ;DY( ]+ )\R c\^ZY 2<)\^ JFcc =)7\Y( ;(;K!+ -VZL/\Y( .)^)+Y( [(;:/@( J\c 2 [(=PY( R 6+WD (11.5 [c;4Y(% )b^K NZ+\Y( -=bBY( . )7Y( ;;L+ (

.)+WD\ ]W\ c -'R(;Y( _)\Y( ]\ [>L )\ (=1X `^( =O -'+Y( ] \ V.vulnificus [>K *LDY( ]\ ]cX ;U [7)@Y( [1\ M=: TG)^\ R `Y>K [/ ])X ]#c ,;7/\Y( .) cY( R 3Z:Y( [7)@+ G+/=\ `^ c;+c 2=)b^( cac (Barbieri et al., 1999) Y)G ( X/)=;( [7)@ ]\c(Oliver et al., 1983) ,;7/\Y( .) cZY U=BY( MW4  [;)L [1\( [U=Y( 07 -7cZ\Y( -4=; )bR =1"/ WY

[cWY( WR )W=/X+  ,;7(cY( ,=)7\Y( _>=S/ )\ NZ+ ] ]X\c A7Y( ](c7Y( [:(; V.vulnificus =1)X/c (Tamplin and Capers, 1992)

 ( (FDA 2000) ]\ [;L\% -X=\( ,;7/\Y( .) cY( R -')+cY(c -'+Y( V.vulnificus .)^)+ 11.5 Za92W&

 [ Y&H_  OVv  [  Vv/g 1Vv/g +2;9 =bBY( *4[  O G*ZW *@$\[;*H`[ U/ &G & 8[ &G *;&;5

Y ]'ZW&  2.45 62000 -0.34 -0.03 12.5 ^)1Y( ]c^)XA=)^  3.40 63000 0.61 0.76 15 G)+BA=(=+R  4.30 73000 1.51 1.45 17.5 =(<A?=)\  5.75 63000 2.96 2.52 22.5 ])@^A[=+  6.54 53000 3.75 3.04 26 =)A Ac)\   6.98 51000 4.19 3.28 28.5 ](=>7Ac^c   7.20 47000 4.41 3.38 30 >c\/AcYc   7.20 42000 4.41 3.38 30 *A?G@O  6.90 48000 4.11 3.24 28 [cZ A=+\/+@  5.91 61000 3.12 2.61 23 [c( ]=B/A=+c/X  4.46 70000 1.68 1.57 18 ^)1Y( ]=B/A=+\Rc^  3.40 72000 0.61 0.76 15 [c( ]c^)XA=+\@; Vv=Vibrio vulnificus .1

-X\@Y( .)4/^\Y(c W\@Y( R )a")V+c )=/X+Y( c\^ (2

-c'\ -4=;  ^;( ;7Y(% -c'\ -4=;  .7/ c\^/ ;)X/c -Y;/L\Y( ,=(=7Y( -SY )=/X+ V.vulnificus ]# -W4=; WR -=7+Y( -c)4// ,=(=7 .)4=;+ G+/= E=\Y( ] c;+c ()+=V/  ,;\Y ( -\/=)OcY ,;7c %  [\)L+ 7Y( =)7\Y( R )a;(;K ;(;> / ] ]X\c -K=@+ c\^/ G7\Y( ,=(=7 2c\^Y( ]\ ;7Y( .(=/\(=+ 6.5 [c;4Y( R ;=/c 2-c'\ c  ]+ 5c(=// ,=(=7 .)4=;+ ]>:/Y( ]\ -K)@ -+U(=\Y(c -)UcY( (;

)W^1 -K=W@+ .cW\ cac 2 -:/Y( ]#c 2(=G: [XB/ =cV\\Y( W\@Y( [1\ .)4/^\Y( [1 ]\c(Little et al., 1997) pH 5 `Yc:; c ]')XY( .(c\ Y# ) \# WY< M>Lc 2V.vulnificus ;(;K ES: Y# ;"/ =SDY( .7/ c ,;=)+ ,=(=7 ES:/ ( -c'\ -4=; z% 3Z1\Y( HS7Y( ]K 3/^ ] ]X\c 2. I(=>/@ Y [+)U =O ]XYc 7. \@/ -Y)7 R 2J+)@ -1 1 M;\ ZK -\/=)OcY ,;7c z =(;V\+

.)^(c7Y( R ;(>// : V.parahaemolyticus [1\ :)b^ JU(cY(c ;)LY(=bG/Y)+ .(=)7\Y( ]\ )=/X+Y( I>/^/ -W=(=7Y( -4Y)L\Y( ]#c2 )a;(;K ]\ [ZV -7cZ\Y( -Y)K _)\ R )bLFc ]# [+)V\Y( Rc 2 )a=bG/ =4 /Y( V.vulnificus )=/X+ ]\ D -FS:^\Y( ;(;K( .(< .)^(c7Y)+ TZL/ )\Rc 2 ;(;K( ES:Y -Y)LR ;4 -V=G 2=1)X/Y( J^\Y [)LSY(c J=@Y( ;=)+Y( HS7Y( [b\Y( ]\

 Vibrio cholerae -')+cY( _=a)H\ EL+c E=\Y( (

])S^WDY( GVR G+/= )b^+ ]\c 2)ZD\ )S^D  ]\ =1X ]\ )K=R )S^D Vibrio cholerae ]cX ] ]X\ WY# O1 Q^DY( [@V/ ]X\c 2 (=YcXY( (]@X/% [@ ])4/^ )\a Xc :-7')4Y(c -')+cY( (=YcXY)+ O139c O1 ]G\^ Y# O1 Q)^D( [@V/ ]X\ )\X 2 =;)^ Q^D ca 

] =WO 2 ]+)D\Y( C):B( >(=+ -'+c( )^1 )=/X+ZY =;D\ [a =+/Lc :])@^ ( Mc@ *D/ (=YcXY( ]# =O ]\ V. cholerae )\ 2(Chiavelli et al., 2001) TY(cLY)+ -G+/=\ ;4c/ )\ (=1Xc -'+Y( R ,;c4c\ [H/ )=/X+Y( ])b4Y( *)b/Y( )++@\ ])@^ Y )F=\\ ]cX ] ]X\ ]G\^Y( -W=7+Y( -W(=+Y( ]\ .)\X+ ;)7Y( [)b@ )+ [@/ \FbY( >)b4Y( *D E=\ (=YcXY( ]# )W\Y( ]W\ [cZ7\ G)L/ F/V 2 LY(c 2 E=\Y( M;Y Q)S4Y( 0c;7 Y# ;" )\\ [@4Y( ['(c@Y J=@ ;V/Lc 0 O139 c O1 ])ZD\Y( ])S^DY( _>=S < Y( (=YcXY( [@ 2)/^# -KcSY( [\(cK [a ]\c 2 =X@Y(c 6Z\Y(c

NZ+\ I /+( ] ]c= ]SY"\Y( EL+ ])X ]#c (Kaysner, 2000) ) :  Y(c7 [;)L/ -F=\\Y( -K=4Y( ]  (Stewart-Tull, 2001) -cL\Y( E)\7( -\X R J=@Y( E)S:^ ( 0(;7 [> Y( ca ) :Y( ]\ 

-X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

-W7cZ\Y( -4=;c _)\Y( ,=(=7 -4=; ]#c . V.cholerae J\ -^(c7Y( c -')\Y( T' LY( I)\/4( ;acB ;VY )^=X< )\X WR >W4 z =;V+ -7cZ\Y( -ZZU G)@c( R ;(;K( =+X ;a)B/ [1 ]\c 2 V.cholerae )V+c =cbH R ](=1"/ (Oliver and Kaper, =)Wb^( .)+ WD\ _)\ a V. cholerae WY -L+GY( ,cXY( ]cX/c (Kaysner, 2000) QY( V. cholerae [>WK [W/ ;Uc 2(FAO/WHO, 2001) =)b^( _)\ R -ZcG .(=/SY )7 V. cholerae [Hc 21997) =W@S )\\ :`/=BU ]\ M

)GY( W)\@( R ,;)K ;4c cac 2 `U)D/Y( R *+@Y( ca :R(cGY( .)^AcX\ Y# `Z\ )F -+@^Y)+ =\( WYK [/ ;Uc 2[Y)LY( ]\ M=: TG)^\ R (=)B/^( =1X ]cX ;U `^ =O (Torres-Vitela et al., 1997) W@X\Y( R -4>)GY( -X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (2

R _c\^ J^\ c -'(# [// [1 ]\c 2;=+/Y(c E)\7(c ,=(=7ZY (;4 ?)@7 V. cholerae ]# ,=1X . )7 Rc -'^Y( .)4/^\Y)+ TZL// .^)X -=7+Y( -

 -+U(=\Y(c -)UcY( (;

JW^\ LR ]X\ WY

(WHO, 1992) (=YcXY( -+U(=\+ TZL/ )\R 7DY( Q=DY(c _)\Y( .(;(;\# ]!B+ -Y)LY( -7DY( -\H^\ .)Dc/ 12.5 Za92W&  +Ba-W& 7DY( Q=DY( _)\Y( .(;(;\# Q=DY( _)\ -4Y)L\ . B^\ R ,;c4Y( -+U(=\ >>L/ P+^ # P+^c :)R)X (=bG/ *=BY( _)\ =bG/ P+^ # -S=Y( -')\Y( [H^Y(c J>c/Y( [H^ =bG/ =+(;/ ]@7/

-4Y)L\Y( Q=DY( _)\ [)\L/@( -)^L+ *U(= ] P+^ # ])X@Y( ZK ;cY(c =cZXY( C(=U J>c/ ]X\ # -Yc;Y(c -^GcY( .)b4c/Y( I)+/)+ A=Y( E(=O )bY)\L/@( -V=G J\

T)G^ ZK -')\X -4Y)L\ _)\Y( -4Y)L\ MAc @  ] =;)^Y( ]\ # ] P+^ )')\X _)\Y( -4Y)L\ ]X\ )\;^K # =1!/Y(c -SZX/Y( I)S/=( *+@+ :%=(cGY( . )7 R /7 J@(c ZO ,=c=F ZK ]c7DY( ]c;B=\Y( ;;B -7DY(c -'+Y( ZK -Z\/7\Y( ,=)FY( =)1(c ;X"\Y( =O (^(c(c ];Y( [@Oc% *=BY( [+U )\Y(

]\ CZ:/Y( ,=c=F ZK -7DY( -+=/Y( ;X"/ ] P+^ # ;D= T=G ]K _)\Y( ,;c4 -+U(=\ >>L/ P+^ # I-^\ -V=G+ -=B+Y( -G')PY( . FSY( . Z7/c .(=)+/:( (=4#c :=cZXY( =)1 -+U(=\c /Y( E7(=\Y( ,=@( )FK J\4 [;:/@ ] *4 o 2)/^ ( [H^ ]\ -SZ/:\ G)V^ R -\c1=4 [)H/^)+ )a=bG/c )bSH^/ =4 J>c/Y(c JF=ZY -G')PY( . FSY( ]\ -K=@+ CZ:/Y( *4 o )a=\G T=G ]K c E7(=\Y( R [)SG(c

(Mitcherlich and Marth 1984, 13.5 [c;4Y() V. cholerae ;(;K ]\ -FS:^\Y( HS7Y( .)4=; [ZV/ ] ]X\ 2')Uc =+;/X )/)/+ WY< ZK ;\/L *4

(-K(=>ZY -Z+)U ) :% Vibrio cholerae )V+ 13.5 Za92W&  (Mitcherlich & Marth, 1984) Y'') 'T)W& *9Z +:M& Ga\ 25-14 -c'\ -4=; z R -HcS7\ W)\@ -c'\ -4=;  .7/ HcS7\ 3Z1   ;\4\ ?;=U  -c'\ -4=;  :.(c=F:  =>4  G+^U  =)b^( _)\

(Lone Gram% Listeria monocytogenes

)Wb^XYc :-c'\  =B+Y( [@4Y( ,=(=7 -4=; R (;4 c\^/ )=/X+ ac :[(=O -P+DY -+4c\ )=/@ZY( _

 (Farber and Peterkin, 2000) Listeria Wa ])W@^ Y -WF =\\Y( )Wb^+ ]W\ ,;W7cY(c )=/W@ZY( ]\  WY# [@V^/ )=/@ZY( _K [W/ /Y( [HL\ ] =O :(H% -Gc@c (O% -7G@ -;@4 .(;F/@\ ?)@ ZK )ZD\ )+=F cZ:Y( E\7Y( Y# ,;^/@\Y( 2cb^Y( ]# -')+cY( -c(>Y( ]\c 2 -ZD\ G)\^ -1 1 Y# \/ ^/ -=B+Y( E(=\( ,=W@X [cWG c [c>cW+=Y( G\^/ c (RAPD% [)XB( ,;;L/\Y( -\:F\Y( -'(cBLY( [1\ (DNA% P+DY( 2-\/ =1X )b^ ./+1 (AFLP% -\:F\Y( -P+DY(

-')+cY( _=a)H\ EL+c E=\Y( ( *WDc =;)W^ E=\ cac 2-'(b4 ]cX/ 07 C): [XB+ =G:ZY -F=L\Y( .)'SY( Y# ]\/^\Y( C):B( *D )\ =1X )W@^Y( )WF c :-WKc=>\Y( )WFK( c< F=\Y(c -=B+Y( -K)^\Y( CV^ ?c=S+ ]c+)D\Y (c ]c^@\Y( [ac WR Z4/ )\ (=1Xc >X=\Y( +DLY( >)b4Y( E=\Y( *Dc 2( ]^4Y( HSY *^4/Y -K)^\Y( CV^/ 07% [\(c7Y( ]W\ -ZW@Z@ TW=G ]K -Z : Y# -Z: ]\ .Q4 [WHL\ ] (=WH^c :)\c c ;7(c [c ]+ 5c(=//R E=\Y( ])F/7( ,;\ ])+//c 2 E)b4 ( Y# )=/@ZY( ;"/ .W^)X W/Y( -W'(cZS^( ]\ [\(c7Y( ^)L ]7 Rc [7=Y( W\W@ (cYc)^/ ])b4Y( R ;)7 =O )+)b/Y( 0;7/ ] ]X\ 2)=/@ZY( ]\ Ic^Y( (c)4// /Y( -4Y)L\Y( -K)^DY( -a)4 ]cX/ -Kc^D\Y( -=GY( ])+4( ]\ =;D E=\Y( ] -(;+Y( R H7cYc 2 ,>a)4Y( . cX!\Y( I(c^ /B ]\ )bY>K ,cWB7\Y( .)^4L\Y( [1\ ,;K .)4/^\ )a=;D\ ]cX ;U -+)D ( ] ;L+ )\R 6F/( ]XYc :=/@+\Y( =O ]+ZY)+ -W\V/ .)W@(=; ,;WK .WDZ: ;Uc 2( (;=)+ ]:;\Y( .c(=/Y(% [XY ,>a)4Y( W)\@(c .)GZ@Y(c T^)V\Y(c )W :Y( ]W\ [ZU ;;K ])X (<# /7 `^ Y# (Buchanan et al., 1997; FAO/WHO, 2001a; FDA, 2001) Mc/@\ .(< -'(

3.5 ZV@W& , -K=4Y( -SHc ,)X)7\ 5& )=/@ZY( )=/X+Y -+)4/@ ( 'Z-

& Z )\R ,>a)4Y( -\LG( R

)'B .)'SY( ]\ ]XZb/@\Y)+ TZL/ + ') W (;)^/@( ) 2=G:ZY -F=L\Y( ((2001)FAO/WHO Y( C;Z

(+)2aW&A+I;2W&% +Z-;'MaXW& *95aW&

 ;)R(=O Ic^ ]\ .c(=/Y( W\@c (Brett et al., 1998) ]:;\Y( =7+Y( 6Z++ G+/=/ )=/@ZY( ] Y# -')+cY( -Y;( =B/ `ZXWB E=\Y( <:/ [Y ,=:( -Y)7Y( Rc 2 (Miettinen et al., 1999) ]:;\Y( .c(=/Y(c (Ericsson et al., 1997) 2)7D C):B -@\: M;Y ,=(=7Y( -4=; I)S/=)+ ]=/V\Y( \FbY( >)b4Y( *)b/Y)+ G+/=( )\^#c ;)/L\Y( ;)7Y(

-X\@Y( .)4/^\Y(c W)\@( R )a=)B/^(c )=/X+Y( ,cX (*

2 -W^SLY( -W/)+^Y( ;(c\Y( )bR =B/^/ /Y( -\)LY( -'+Y( R ]Gc/ ')7 ]')X L. monocytogenes ]# =X)b4Y( R )F ;4cc _K ]X\ [1 ]\c 2 -=7+Y( c -')\Y( ;W+\Y( 07 ]\ P+^c :K(=>Y( ])7@Y( TG)^\ ]\ -+=VY( _)\Y( R ;4c `^# [+)V\Y( Rc 2(  [c;4Y(% _)\Y( )=/W@ZY(c 2(Gram, 2001; Huss et al., 1995) -G@+ ;(;K!+ .^)X ]#c &^Y( W\@Y( R )=/X+Y( ;c4c E(=/R( L. WWY -W+4c\ ,>a)4Y( . cX!\Y( ]\ uz ]$R [1 ]\c 2-4Y)L\Y( -X\@Y( .)4/^\Y( ]\ -Ycb@+ )bY>K ]X\ 2u  -+@^Y( _

)1;W7 -W7c+<\Y( c -7Y( W)\@( R Listeria monocytogenes c Listeria spp. =)B/^( 14.5 Za92W& (Gram (2001)) +\@ JW& :8 ['VZ 99I +)2aZ G ,'\JW& Listeria spp. L. monocytogenes +):JW& ]'ZW&  ((=@c@% ^Y( .c(=/Y( W\@ ;Z4   (-X=\( ,;7/\Y( .) cY(% =cZ@Y( W\@   995 YW  =@c@% 5c+<\Y( .c(=/Y( W\@  ;5)W& 'Z 3c=^% ;DY( ;^K, ]c\Y)@Y( W\@     *c% >b4/Y(J^D\R, ]c\Y)@Y( W\@    (c=R=>4 ]c\Y)@Y( W\@  995 YW  (J^D\Y( R [+V/@\Y( ;\4\Y( ]c\Y)@Y( W\@  995 YW  -X=\( ,;7/\Y( .) cY( 0-X=\( ,;7/\Y( .) cY( ]c\Y)@Y( W\@ 995 YW  (;^Z/cX@( :(;^X :3c=^ :ZB 

(Farber and -=7+Y( -( ])G=@Y(   

45 ;(cW\Y( ]W\ [>L )\K [XY ,>a)4Y( -=7+Y( -L/ )=/X+Y( _# =bG/Y(c QH^/Y( T=G ]K

-X\@Y( .)4/^\Y(c W)\@( R )a")V+c )=/X+Y( c\^ (2

cW\^/ ] )b^!WB ]\c -Y)LY( -7cZ\ZY ;\D/c -FS:^\Y( ,=(=7Y( .)4=; [\/7/ Listeria monocytogenes ]# ,cG: ;4c/ 07 ,>a)4Y( -=7+Y( -\LG( R )b/+U(=\ *LDY( ]\c 2(;=)+ )^>:/ -^>:\Y( -

_4 WY< =@S/ ]X\c 2 )L+G -1cZ\Y( .)4/^\Y( R =1X+ !G+ c\^Y( ]cX )\^+ -7VZ\ .)^K [(;:/@)+ 2(4.5 [XBY(% )=/X+Y( ) : -R)1X ]\ [ZV ?R)^\ TU; .+^+ ](=/U ( 07 (Jameson effect% ]c@\4 =1!/ \@

4.5 ZV@W& c\^

% Listeria monocytogenes W\@ R (.(=/K ]\ GZ: (;=)+ )^:;/ ]:;\Y( ]c\Y)@Y( &95aW& , !+L\Y( (-c'\ .)4=; % W& X Ma monocytogenes

ZD .+^ R N=S/Y)+

L Z-;' R

+ [)K c ES:^\

XB ,)\ (Huss et al., 2000)

( [(=PY(

°Y *;&;5 +2;9) Y'&

uz NaCl>X=/ -+@^ R )L=@ c\^/ ] ]X\ )=/X+Y( ] <# ]\)XY( c\^Y( [V/ ;^K [b\ NaCl [cZ7\ ]# -W=7+Y( -W#c .)KcY)+Y(c TW=G ]K -)UcX 4.5 [XBY( R ]A +\Y( ;c;7\Y( c\^Y( [)\L/@( ]X\c 2 _=:!/ c c\^Y( G)+1# Y# \c1=4Y( (Nilsson et al., 1999) )=/X+Y( G+1/ -c7 -')Uc -SD `Y 

]+WZY( WR )=/X +Y( _ ^7^\ Ben Embarek & Huss (1993) ?=; ;Uc 2(ICMSF, 1996) -^+ZY( .)4/^\Y( Rc

[;)WL/ D60 .W^)X (<# ;cWXY( WR )Wb^\ ]c\Y)@Y( M;Y ZK ,=(=7Y( -\c)V\ ]#c 2 ]c\Y)@Y(c ;VY( W\@ R )=/X+Y( 2)=/X+Y( \7/ ]c\Y)@Y( R (u  Y(c7% ]ca;Y( -+@^ I)S/=( ] ;V/L=c 2^)1ZY -VU;  c [cY -VU;  

-+U(=\Y(c -)UcY( (;

:-W4=7Y( -W+)U=Y( G)WV^c =G:Y( =;)D\ [Z7/ [)H^ T=G ]K [/ ] ]X\ )=/@ZY)+ -+)D ( E=\ -+U(=\ ]# ZK )FVZY ,cG: -4Y)L\Y( -Z\K R 2=; ] ]X\ )\;^K -4=7Y( -+)U=Y( -GV^ 0;7/c 2 ,;4Y( -7DY( .)@=)\\Y(c

 Wac :)=/W@ZY( ,;)+# -Z\LY -'+L/Y( ;L+ JF:/ /Y( -'(

-W+U(=\ 6+WD/ [W1 ]\c 2 ,>a)4Y( -=7+Y( -W4  Y(cW/Y( WZK NWZ+/ .(>X=/+ -K)+=Y( )^c\( .)+X=\c : -^!/\Y( =O ;(c\Y(c R )=/@ZY( M=(c// )\ (=1Xc 2 ]cZ\Y( R  >4 z :]cZ\Y( R >4  :]cZ\Y( R (>4 z )b;Y ]cX ] -4Y)L\Y( ,!B^\Y P+^c 2.(cXY( _

;;WK ;W;7/ M=4c :,=)F =)1 ]c; )\c WZb/@/ ) =/@ZY( ]# =G):\ZY [V/ .)Z\K ,;K ]\ ]+/ )\Y )VRc . cX!W\Y)+ TZL/ )\Rc 2(van Schothorst, 1998) -'(a)4Y( 2(van Schothorst, 1998) ]')XY)+ )b1cZ/

(Lone Gram% b;8& ,'BJW&a () ,'W

.(=W+PZY ,>=WS\Y( -WY;/L\Y( ,=(=7Y( -SY [(=PY -+4c\Y( -Y>P\Y( .)DLY( ]\ Clostridium perfringens )WF ]WX\c 2 -W+=/Y( ]\ [(=PZY z )bL>c/ .)c/@\ NZ+/ ;U 07 -'+Y( R )L@(c (=)B/^( ,=B/^\Y( 2(Adams and Moss,2000) )7D( C):B( >(=+ ]\c .)+@=/\Y(c _)\Y( R )bY>K WR =1)WX// ] c -\FbY( ,)^VY( R )b^\ -R)X ;(;K =\/ ] ]X\ ,=+X ;(;K!+ -=F:Y( )a) : [X [/ ]# 0c;W7 R *+@/ )\\ 2(kDa% ]c/Y(; cZ X  Y(c7 ]> cL\ ])S< ) :Y( _=S/c 2 TU;Y( ](=D\Y( .)W cY( R [/ ;Uc 2 [)LGY( [c)^/ ]\ -K)@ z ]cFO R VY( )^)7 c [)b@ (c cL\Y( [Y(c ])1PY( . )7ZY c^@Y( ;;LY( =;V=c :-=7+Y( -+ -=7+Y( -

)b^:W@/ =W4 /Y( c -G=S\ ,=(=7 .)4=;Y -F=L\Y( . cX!\Y( c [c7ZY( .)4/^\+ -ADLY( _/: (c ,;@X( ;b4 .(< -

-W@)@7 -=WF:Y( )W :Y(c 2 -Wc'\ -4=;  .7/ G++ c\^/c ,;=)+Y( ,=(=7Y( .)4=;  R c\^/ ac c 2  ]c; -W')\Y( -GB^( R c\^/ c (u DU( ;7Y(% 6Z\Y(c (pH 5 [\)L\ZY ^;( ;7Y(% E)\7Y -W^\>Y( Qc=HY( ] \!/ ])X\+ -\a( ]\ c;Pc 2 -=7+Y( -

-LW@(c )Wb^# C. perfringens [W1\c 2.(=+PZY ,>=S\ [(=PY -+4c\ -'(cb7 .)DK Bacillus cereus .(=/K ]# -WK [b @Y( ]\c 2 =)+PY( J\ -Ycb@+ =B/^/c QS4/ZY -\c)V\ )b/(=+Oc 2 -'+Y( R =)B/^ ( *W:/^/c 2 (Granum and Baird-Parker, 2000) -W'^Y( -W

 [Y)W+ )\a;7 >\/c 2 ])S)b4Y( *)b/Y( `+B (;Y( (@\Y( Ic^Y( G+/=c2 S.aureus `1;7 ]\ ,=+XY( ;(;K( [XB/ [1 ]\c -SUc/\Y( c -@( ,=:( ]/Z7=\Y( ]+ )\R ])S=)+ &AV\Y( Ic^Y( G+/=c 2E=\Y( 0(;7 )G=B .)DLY(

[>WK [W/ `W^ =O 2 -c'\ -4=; z .7/ c\^/ c -Y;/L\Y( ,=(=7Y( -SY -DLY( _K [/ `^ # 2 (;=)+ )HS7 HS7Y( WR [X7/WY( ]X\ -Y;/L\Y( ,=(=7Y( -SY .(=/LY( (;K )\Rc 2(BenEmbarek, 1994) -c'\  ,=(=7 -4=; 2;=+/Y( T=G ]K -Y)LR ,=cD+ -DLY(

    Plesiomonas shigelloides -')+cY( _=a)H\ EL+c E=\Y( (

[@V/ ]X\c 2P.shigelloides cac :;7c Ic^ ]\ ]cX/c Vibrionaceae -Z')K Y# Plesiomonas ?^4 \/^ *+@/ ] ]X\c 2 (Kirov, 1997% serovars ]\ ,=1X Q)^D ZK c/7 cac -K=R I(c^ Y# Ic^Y( ()b4Y( (; *+@ `^!+ )F )XcXB W)^a ] =O :[;Y( ]SL/c 5c=4Y( *)b/Y( R P.shigelloides Tsukamoto et al., % [)b@ ( ]\ ]c^)L ]K [/ ;Uc (1978 [D/ 07 :-\@c\ )Uc=R W)^a ] c;+c 2&^Y( =)7\Y( W b/@)+ )@)@ P.shigelloides G+/=( :-X=\( (=H^ WB JFc\ -RcDc\Y( . )7Y( R P.shigelloides =c; ]cX ;Uc 2-'R(;Y( QDY( =bB [ : ,c=)^:Y( =)PD M;Y [;/L\ [)b@# R *+@/

-X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

(c@ ;7 ZK -=7+Y(c -+K [/ ;VR (K ]X\c 2(2000

-X\@Y( .)4/^\Y(c W)\@( R )V+Y(c c\^Y( (2

AL c 2,;=)+Y( ,=(=7Y( .)4=; R c\^ c [(;/K ( -SY( )=/X+Y( ]\ :=X< )\X :P.shigelloides ;L .(>X=/Y( R _c\^ !G)+/c ^4c=;bY( [U=Y( Mc/@\ E)S:^ ?)@7 cac 2;\4/Y( -4=; ;^K ]')XY( (

-7R)X\Y(c -)UcY( (;

)^')X `SDc+ cbR 2])@^ ( Y# -X=/ Y# 2)/7 ]')XY( (:/Y( ] (=H^ ,=B)+\ -Z\K ;L/ -

   Aeromonas -')+cY( _=a)H\ EL+c E=\Y( (

Y# T+)@Y( R \/^ Ic^Y( (PY( 8@:/  : -VU=Y( -4@^( c ;Z4Y( *)b/Y( WY< R )\+ -@X)L\ . )7 ,;K >(=+# R *+@/ ;U Aeromonas ;Lc 2(Monteil and Harf-Monteil, 1999% -K)^\Y( .+X+ )KcB =1X c7^ ZK Mc;LY( _K [/ 

49 :) :Y( 2=): .)\>^ ( [1\% Aeromonas ]\ I(c^( _

R  c  ]+ 5c(=// -+@^ [D/ ;Uc -+K )F ]X\c 2(Palumbo et al., 2000% )=/X+Y( _;a ZK -')\Y( .)^LY( ]\ -')\Y( )KcB =1X ,=cD+ A. hydrophila -Kc\4\ ;4c/c 2(Knøchel, 1989% =)b^( .)+D\ ;^Kc -=7+Y( .)'+Y( ]X\ ]XYc [(=OA,=\L/@\Y( ]Ac X / ,;7c  c  ]+ 5c(=// .)c/@\+ -X\@Y( .)4/^\Y(c W)\@( R .S^Dc 2(Palumbo et al., 2000% .(c=F:Y(c ]4(c;Y(c ])+Y(c [c7ZY( .)4/^\ ]\ -Ycb@+ )F )bY>K !+L\Y( ]c\Y)@Y(c :(Dainty et al, 1983% -'^Y( [c7ZY -SZ/\ .)^')X )b^ ZK Aeromonas I(c^ .)@(=; ,;K Eneroth et % ])+Y(c :(Gram et al., 1990% -'R(; -=(;\ _)\ ]\ ,

.)@(=; ,;K .=bH ;VR :[(;/K ( -SY -Kc\4\X ;L/ -X=7Y( ZK ,=;)VY( aeromonas )=/X+ ] ]\ [O=Y)+ Knøchel, 1990; Eneroth et al., % ,;=)+ ,=(=7 .)4=; R c\^/ ;U (-

_K [/ /Y( -

   c\&a5W&Ab;@)W& @\ZW& ,&: +J)EW& ';-V)W& 2.1.1.5

:. [@VY( R ,;=(cY( [c(;4Y( .()D7# R )4 )\X :^(c7Y(AM=B+Y( !B^\Y( .(< )=/X+Y( *+@/ ] ]X\ *+@+ -;cV^LY( ,=cX\Y( .)\@ ]\ )L\(c ,;L\Y( (; . )7 .=bH (a)4 [X"/ /Y( M=:( .)4/^\Y(c =)7\Y( *+@/ )\X :-bG\ .)=BU [c)^/ a Mc;LY)+ -+)D\Y( .)^(c7Y( ] (=H^ ^(c7 !B^\ .(< ]cX/ E(=\( _

50 ]\ ,

G Ya9aBW& 9;aXV c%'ZW& E'@\W& \2a;9`W& YS;W& *;&;5W& +2;9 +D;ZZW& ';-V)W& cBS& c\9& '\9W& cX/ZW& '\9W&    F 15 ^c\Y)@Y(      F PBY(     F Escherichia coli      F -  Yersinia enterocolitica         Campylobacter 225F     Staphylococcus aureus 2 ]@Xc/Y( 2)/^# 15F    F  ( D’Aoust% -c'\ -4=;  ]K [V/ ,=(=7 .)4=; ;^K c\^ 0c;7 Y# ]SY"\Y( EL+ =)B  2.)SY"\Y( R -SZ/:\ McDU ;c;7 ;=/ 

;'Pa;>W& a \aZW'>W& G&a\

-=/X+Y( -cL\Y( E(=\Y -@'=Y( *)+@( ;7 . ^c\Y)@Y( (; =+/Lc :.)')L\( -Z')K )FK ;7 ^c\Y)@Y( ;L/ .) cY)+ E(=\( -7R)X\ >X=\ Rc 2?)+/Y ( *+@/c ,;VL\ -\@/Y( _

c ;cS/Y( . @ *+@+ -cL\ \7 [XB ZK )\# )\> /\ c;+ -=a)HY( -7)^Y( ]\ . ^c\Y)@Y( (; ]# Mc;K Y# =:( ((=+ [XB ZK [)b@ (c -;L\Y( .)DZV/Y(c ])1PY( [1\ -;cS/Y( =O . ^c\Y)@Y( (; E(=K [\B/c 2,;7 =1X [c)^/ ;L+ -K)@  c .)K)@ ]+ 5c(=// ,=/R [ : E(=K( _)^:Y(c ]4(c;Y( [c7Y ;L/c I(c^ .++@/ :,=:( ,=/SY( Rc 2S.Enteritidis )=/X++ E)+\ZY -=SGY( Mc;LY( *+@+ -D): E=\Y( (a)4Y( .(c=F:Y( ]\ -SZ/:\ ]\ -;L\Y( -K=4Y(c 2?Yc\Z\ ;(>/ R c;+ . )7Y( ;;K ] =O :E=\Y( (?@ABCD@@?E 2[)SG( [1\ )F=L/ =1X .)K)\4 3/^\Y( (

-X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

,;L\Y( R ;4c @'=Y( )b^c>:\ ] =O :=)B/^ ( -L@(cc [(;/K ( -SY )=/X+Y( ]\ ^c\Y)@Y( ;L/ -1cZ\Y( _)\Y( .)^(>: [1\ .)'+Y( EL+ ] )\X 2=cGY( WY< R )\+ :](c7Y(c ])@^ ( M;Y )L\(c ;U (;;7/ -1cZ\ _)\ R =)7\Y( -+=/c 2 ^c\Y)@ZY Mc!\ ]cX/ ] ]X\ -^(c7Y( c -=B+Y( .)SZ:\Y)+ 2(Ahmed, 1991% . ^c\Y)@Y( (; =)B/^( *)+@ ;7 =+/L &^Y( =)7\Y( [c)^/c ^c\Y)@Y( [X(=/ Y# ;" 51 (Y)\c ;^bY( ]\ ,;=(cY( .)c:=Y(c .)=BVY( .)4/^\ ]\ ;;LY( R )F )b^K QBXY( [/ /Y( ^c\Y)@Y( 6+D/c W)\@( I=(>\ R =B/^/ ^c\Y)@Y( ]\ ,;;7\ -ZD\ )G)\^ ] ZK [Y; ;4cc 2(D’Aoust, 2000% 2(Feldhusen, 2000% -L+GY( -+c=X\Y( -'+Y( ]\ (>4

)\c ]4(c;Y( 0c= [;:/@ 07 )@ c )@ T=B *c^4 TG)^\ EL+ R -Z\)X/\Y( -X\@Y( I=(>\Y( ]cX/ ;Uc =O 2 ^c\Y)@Y)+ 0cZ/ZY )R)F# (=;D\ >=( [cV7Y ,;\@!X ])7( EL+ R .-ZZY( -+=/Y(. [@( `ZK TZG Dalsgaard et al. % WY< 6Fc )\X ^c\Y)@Y( =cbH Y# `/(< ;7 R M;" ]4(c;Y( 0c= [(;:/@( ] ,;)>Yc 2;^Z)/ R ])+=( 2)/^# ]\ -^K  ]+ ]\ -+)4# ,;7(c -^K ZK (c=1L [Y ]=( [cV7 R cW\^/ /Y( W)\@(

-+c=X\ -'+ ;c4c [;LY (=H^c ]SHc\Y( c [):Y( .)=BU T=G ]K >b4/Y( ;L+ )1cZ\ bG\Y( ])+=( ]cX ;Uc 2,=(=7Y( .)4=; =P/ ;L+ 1\ c\^Y)+ )=/X+ZY 6\@ (<# ,=cG:Y( -Y)LY( .)4/^\Y( ;7 [XB ;U `^$R :-@R)^\

-X\@Y( .)4/^\Y(c W)\@( R )V+Y(c c\^Y( (2

Y# -c'\ .)4=; ]\ ;/\/ ,=(=7 .)4=; R c\^/ [(;/K ( -SY )=/X+ ^c\Y)@Y( ]\ \HLY( -+Y)PY( ;L/ -@)@7 ,;b4\Y( =O -/)+^ ( ) :Y( ;L/c 2-c'\ -4=;  ac -Y)1\ -=(=7 -'+c -c'\ -4=;  *=)V )\ -4=;c 2(]:)@Y( ZK ]:;/Y(% ,=/@+Y)+ -D):Y( ,=(=7Y( .)4=; R -Ycb@+ )bZK )FVY( ]X\c ,=(=7ZY R -Ycb@+ c\^/ ^c\Y)@Y( ] J\c 2T')U; 0 1 Y# -VU; ]\ ;/\/ -c'\ -4=;  ,;)K a -Y)LSY( ,;)+ ( [+U ]\ .)4/^\ 0cZ/ ] ]X\c -R)4Y( .)'+Y( R ,)7Y( ;U ZK [H/ )b^ ]+/ ;VR :ES:^\Y( ')\Y( G)B^Y( 2 5.4 ]\ [U ^4c=;bY( [U=Y( ]cX )\;^K ^c\Y)@Y( c\^/ c 2-X\@Y( T7)@\Y(

(Shigella% N@W& Ic^+ -)PZY -ZDY( -+=U PBY(c 2])@^ Y -F=\\Y( .)^')XY( ]\ )bZXc PBY( ]\ -Rc=L\ I(c^ -L+= W)^a 2Escherichia [@)+ Q=L -cL\Y( )=/X+Y( ]\ =: -')+cY( *^(c4Y( EL+c E=\Y( (

Sh. Sonnei )=/X+ ] ]7 R ()=)/^@c;Y(% +\( =)7>Y)+ -+)D ( . )7 ;B Sh. dysenteriae )=/X+ *+@/ Y# .)K)@ ]\ 5c(=// ,=/R [ :c -Z:  Y#  c7^ :-FS:^\ -;L\Y( -K=4Y(c 2 (;/K( . )7Y(=1X *+@/ >(=+ ZK c/7 ;U 

2=: Y# C:B ]\ Mc;LY( [)V/^( a )KcB =1X( -Z@cY(c [SY(c >(=+Y( T=G ]K =\ Mc;LZY @'=Y( =;D\Y(c 2,=)7Y( QDY( =bB R BS/Y( . )7 ]\ ;;K =+X 0c;7 J\ )\@c\ )G\^ PBY( BS/ . )7 J+//c

52 -X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

[c(;/ -Y!@\ -=D7 ,=cD+ ;L )a;c4c ]XYc :-D): -'(b4/Y( )^1 )bbG

(;+ -+)D ( ]\ . )7 ]K  c  \)K R =U)VLY(c -

-X\@Y( .)4/^\Y(c W)\@( R )V+Y(c c\^Y( (2

2-c'\ .)4=; Y# ]+ 5c(=// ,=(=7 -4=; .7/ c\^/ c [(;/K ( -SY -VV7Y( R PBY( I(c^ ;L/ 2Q(;D( R -ZcG .(=/SY AL/ ] )b^)X\$+R :=X< )\Xc 2]:@/Y(c 6Z\/ZY -@)@7 ac

Escherichia coli

-'(cbY( .)^')XY( =1X ]\2E. coli [@)+ Qc=L\Y( Ic^Y( ;Lc .)')L\( -Z')K ;(=R ]\ Escherichia ;L/ ,=)FY( =O .)ZSGY( ]\ =+/L/ E. coli . @ [HL\c 2&R(;Y( [;Y( .(< .)^(c7Y(c ])@^ ( )L\ R )KcB E. . @ EL+ ] =O 2-cL\Y( )4cYc@SY( ZK H)S7Y( R =(c;!+ [cV/ ;U /Y(c )L\( R AL/ /Y( ?)@ ZK E. coli . @ ]+ >\/Y( [/ 07 2[)b@ ( E(=\ R *+@/ ;U -F=\\Y( .)^')XY( ]\ coli )=/X+Y( [@V^/c 2(-HS7\% K c (-;@4% H c (-G)@% O Ic^Y( ]\ .(;F/@\ [\B ZD\Y( G\^ZY GG:\ 2O:H ,>\\Y( .(;F/@\Y(c -=a)HY( E(=K(c ,;7Y( *@7 ,;;7\ .)Kc\4\ Y# -F=\\Y( E. coli I(Doyle et al., 1997% Z )\X a )=/X+Y( _

(EPEC% -cL\ -Y /K( )=/X+ • (ETEC% -cL\ -^)S> )=/X+ • (EIEC% -cL\ -\)7/U( )=/X+ • (DAEC% ,=B/^\ -U)D/Y( )=/X+ • (EAggEC% -cL\ -@;X/ )=/X+ • 2(VTEC% -^@Xc/c=R )=/X+ c (EFEC% -cL\ -R>^ )=/X+ • -')+cY( *^(c4Y( EL+c E=\Y( (

*D/ ac 2\7Y(c VY)+ *c7D\Y( ')\Y( [)b@ ( ]\ )Kc^ (EPEC% -cL\Y( -Y /K ( )=/X+Y( *+@/ PBY( )=/X+ [1\ [)b@ ( E=\ (EIEC% -cL\Y( -\)7/U ( )=/X+Y( *+@/c 2[)SG( =)PDc JF=Y( ,;)K )=/X+ `++@/ Y( )=/X+Y( ] ]7 R ](;Z+Y( R [)SG( M;Y [)b@ Y -@'=Y( *)+@( ]\ (ETEC% -cL\Y( -^)S>Y( )=/X+Y( ;L/c 2V. cholerae (ETEC% -cL\Y( -^)S>Y( )=/X+Y( >=S/c 2]PY)+Y( ;^K ]=R)@\Y( [)b@$+ Q=L )\Y *+@/ )b^ )\X -\)^Y( (DAEC% ,=B/^\Y( -U)D/Y ( )=/X+Y( *+@/ WY `+B )\a;7 ([c\@Y(% ])S>Y( ]\ ])Kc^ 2[)b@ ( ]\ -SZ/:\ )K(c^ (EAggEC% -cL\Y( -@;X/Y( )=/X+Y(c

53 c7^ 0)7+( [HL\ .b4/( :-\;V/\Y( ](;Z+Y( R (EHAC% -cL\Y( -R>^Y( )=/X+ZY ,=:( BS/Y( . )7Y (=H^c R *+@Y( ;L/ E. coli )=/X+Y( . @ EL+ ] F)\Y( ]=VY( ]\ .)^^)\1Y( ['(c R ]+/c 2.)^')XY( _^Y( )=/X+Y( *+@/ ;VR -+^)4Y( E(=K(c [)b@ ( Y# -R)F# 2c\;Y( [c+Y(c R>^Y( ]cYcVY( *)b/Y( [)SG( ]$R :-=\LY( .)'SY( J\4 *D ] ]X\ E=\Y( (^Y( )=/X+ZY -++@\Y(c )KcB -ZD\Y( G)\^( -cZXY( ) :Y( [/U ZK ,=;)VY( PB [c\@Y -Z1)\\Y( [c\@Y( ]\ ]Kc^ >=S/ /Y( -cL\Y( -R>^Y( )=/X+Y( . @Y R -Z: z ]+ )\ 5c(=// .)c/@\ [4@/ [/ ;Uc -FS:^\ -;L\Y( -K=4Y(c 2(V=R( =F:( ;=VY( -ZX% 2BS/Y( . )7 Y# .; /Y( ,;L\Y( R ,;c4c\Y( .(>X=/Y(

-X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

)\ )+Y)Oc 2-1cZ\Y( -(=+Y)+% -1cZ\Y( _)\Y( R [1\/ E. coli )=/X++ Mc;LZY =;D\ [a ]# ])+Y(c (;4 -bG\Y( =O -=V+Y( [c7ZY( (EHEC% -cL\Y( -R>^Y( )=/X+Y( T=G ]K BS/Y( . )7 [\B/ ]\ ;;K TZL/c 2_)\Y( _\Y( c -1cZ\ _)\+ -Yc@P\Y( -DSY( [K(=+ [1\ :.(c=F:Y( WY^Y( )=/X+Y( . @ ] =O :-^c\!\ =O =')DLY( 23/^\Y( (

JG)V/\Y( 0cZ/Y(c :-R)H^Y( -ZU ] =O 2-')\Y( .)4/^\Y)+ -U K )bY .@Y E. coli )=/X+Y( /Y @ ]\  c ] ]X\ . @Y( _

_)\Y( R =1)X//c [+ AL/ ;U )b^$R :-')\Y( -'+Y( R -L+GY( )=/X+Y( ]\ =+/L/ E. coli )=/X+Y( ] J\c E=/S _)\ ]\ )F )bY>K [/ (K ]K ==)V/  ;4c/ c 2-1cZ\ =O )b^ -X\@Y( .)4/^\Y(c W)\@( R )V+Y(c c\^Y( (2

ac 2-c'\ -4=;  ,=(=7 -4=; ;^K [1\( )ac\^ [/c [(;/K ( -SY .)^')X E. coli )=/X+Y( . @ J\4 ;L/ [>LY( .((=4# [HL\ ;\/L/c 2[;/L\Y( ]:@/Y( T=G ]K -Ycb@+ )bZK )FVY( [/c ,;=)+Y( ,=(=7Y( .)4=; R c\^/ R c\^/ (EHEC% -cL\Y( -R>^Y( )=/X+Y( . @ ] =O :-c'\ -4=;  ,=(=7 -4=; ;^K -^)F7Y( -Z\K ZK ;7 [1\/c 2E\7/Y(c 6Z\/ZY -@)@7 .)^')XY( _

.)^')XY( _K ]X\ `^ J\ -SH^Y( _)\Y( ZK >X=/Y( J\ ,;4Y( -R)H^Y( -Y!@\+ ;V/Y( ]$R ((=+Y(% 0cZ/Y( ca PBZYc ] *4 `^$R :]:@/Y( ;F ?)@7 )bL\4 ] (=H^c 2.)^')XY( _a)4Y( -X=/Y( -@=)\\ 3\)^=+ ]cX

R -@)@( =c\( ]+ ]\ M=)4\Y( _)\ ]\ 7DY( CZ:/Y(c (,=cZXY)+ 1\% _)\ZY -\Z@Y( -4Y)L\Y( ;L/c 2-7R)X\Y( 3\(=+ ]\ 3\)^=+ 

54 ZKc 2`+^4/ P+^ )a;c4c ;=4\ ]$R (

] ])@^ ( Y# -)7Y( -=/X+Y( =)L\Y(c M=/X+Y( =)+/: ( ;4 =B"\ )b^ ZK c;+/ (-7Y( .)R;DZY -+@^Y)+% ;DY( _)\Y -4cYc+c=X\Y( -Kc^Y( /7c 2 ^c\Y)@Y( (-')\Y( R % 0cZ/Y( Mc/@\ ?S^ [\7 ])X -7c/S\c -VZP\ _)\ ]\

(Yersinia enterocolitica ) +\aWaTW& +9JZW& +\>;'W&

?=;/ ac 2.)')L\( -Z')K ]\ E. coli )=/X+Y(c PBY(c ^c\Y)@Y( [1\ :-^cYcVY( -;L\Y( -^@=)Y( ;L/ ,=;)U )b^$R WY

-')+cY( *^(c4Y( EL+c E=\Y( (

\7c [)b@#c ,;L\Y( R [ + >\// /Y( -cL\Y( -;L\Y( E(=\( EL+ -^cYcVY( -;L\Y( `^@=Y( *+@/ 2;Z4Y( =(=\7(c [D)S\Y( *)b/Y( Y# ;" [c+VK 0;7 ;VR :)/(< ;c;7\ [)b@ ( E=\ ] ]7 Rc 2-SS: -cL\Y( -\@Y( ]\ )Kc^ -^cYcVY( -;L\Y( `^@=Y( >=S/c 2=bB ,;K Mc;LZY -V7 Y( E(=K( _

-X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

Mc;LY -++@\Y( -ZD\Y( G)\^Y ,=\/@\Y( [U(c^Y( ]\ =+/L/ /Y( =>)^:Y)+ -^cYcVY( -;L\Y( `^@=Y( G+/=/ [/ [Yc 2`^@=Y( (; )F *+@/ -1cZ\Y( ])+Y( c -1cZ\ _)\ R [@P/ /Y( -'(

-X\@Y( .)4/^\Y(c W)\@( R )V+Y(c c\^Y( (2

[V/ ;^K WYa)4Y( 2-c'\ .)4=;  ,=(=7 -4=; ;^K ]c>:\Y( 6Z\\Y( ])+=( R c\^ ;U ]')XY( (

]>:/Y( ]$R :]')XY( ( =;)D\ ]\ JG)V/\Y( 0cZ/Y( J^\ ZK -77DY( -R)H^Y( Gc=B ;K)@/ ;U ]:@/Y( FV ;U c 2[(=PY( -+Z@ -SZ/\Y( -'+Y( ZK )bR )FVY( [/ /Y( .)4/^\Y( R )=/X+Y( c\^ J^\Y )R)X ]cX ;=)+Y( 2-HcS7\Y( QD^ -=7+Y( -

55 (Campylobacter) ;-V')aX)Z'V

,;K ZK )=/X+Y( _+ ]\ Campylobacter )=/X+Y( ;L/ (Y( ])=4Y( ]\ -+=VY( _)\Y( ]\ )bY>K ]X\ `^$R -'+Y( Qc=HY( EL+Y -)PZY -@)@7 -')+cY( *^(c4Y( EL+c E=\Y( (

E(=K( =bH/c :[)b@ ( E=\ C. coli )=/X+Y( . )7Y( EL+ Rc Campylobacter jejuni )=/X+ *+@/ R [  a E=\Y( (

,;K ]\ )bY>K ]X\ `^ 07 :Campylobacter )=/X+Y @'=Y( =;D\Y( a ]4(c;Y( ] c;+ `^ J\ [7Y .)^K ]\ -')\Y( R  ]\ =1X ] ]+/c 2BS/Y( . )7+ ])+Y( .G+/=( ;VR 2M=: -'(

[V/ /Y( ,=(=7Y( .)4=; R c\^/ )b^ c TF c\^ [)4\ .(< )b^!+ Campylobacter )=/X+ I(c^ Q=L/ ;U )b^XYc ,;=+\Y( -^c>:\Y( .)4/^\Y( R c\^/ )b^$R (

-7R)X\Y(c -)UcY( (;

- Qc@ -1cZ\ _)\ ]\ ,

Staphylococcus aureus

/Y( E(=\)+ G+/= K ]X\c -'+Y( R )=/X+Y( _

56 -')+cY( *^(c4Y( EL+c E=\Y( (

E(=K =cbH Y# ;"/ -cL\ )\c\@ )=/X+Y( _=S/c 2[\@/Y( ca S. aureus )=/X+ `++@/ 4 ]>c )bY -cL\Y( [c\@Y( J\4c 2E=\Y( *+@/ .(;F/@\Y( ]\ -SZ/:\ .)^/c=+ E=\Y( (X=\ GB^ ()cL\ )\\@/ ?Yc% +DK =1 JU(cY( R ca .)\@ZY [c( =1(c -L+GY (=H^c 2,=+X -4=;+ 6=\ =O ]cX ;U `^ =O :GVR -K)@  c  ]+ )\ ,;)K =\/@c )/(< ;c;7\ 2(-')\Y( R z% . )7Y( ]\ [ZU ;;K ]K # M + ( [/ `^ ;V/L `^$R :E=\Y( (

2(Gram and Huss,2000% -'R(;Y( _)\Y( R -D):c :;DY( -1;7Y( W)\@( ]\ Staphylococci )=/X+ [>K ]X\ c ;=+Y)+ ]+)D\Y( c -1cZ\Y( ;( c< -K [/ ;Uc 2TZ7Y( R ])V/7)+ Jablonski and Bohach, % -+)4# .)^LY( ]\ z Y# JS/= 07 -bG\Y( .)=BVY( R )KcB =1X ,=cD+ ]XYc 2(1997

-X\@Y( .)4/^\Y(c W)\@( R )V+Y(c c\^Y( (2

)=/X+ ] (=H^c [c\@Y( ]cX/Y :([(=OA,=\L/@\Y( ]Ac X / ,;7c 6 >c)4// .)c/@\ Y#% )=/X+Y( c\^ [>Z )=/X+ ;L/c 2[\@/Y( -Z\K ,;)K T+@ ;U ,=(=7Y( -4=; R =EP/Y( EL+ ]$R [(;/K ( QY ]')X S. aureus W)\@( R )b^K QBXY( ]X\ `^ J\c 2M=: -VU; .)^')X ;c4c J\ c\^/ c )SLF )@R)^\ Staphylococci ]\ -LS/=\ .)c/@\ )=/X+Y( _(=R# ]X\c 6Z\Y( -VV7Y( R -\VL\ ]:@/ZY ,>b4\Y( [c7ZY( ]cX/ 07 -bG\Y( .)=BVY( [+U ]\ .)4/^\ R \@Y( >(=R (c 2Staphylococci )=/X++ 0cZ/ZY -\' \ -D=R c;Y( =:+/Y( -Z\K 6// 07c -7R)X\Y(c -)UcY( (;

0cZ/Y( *^4/ )F [b\Y( ]\c 2.)4/^\ZY 67DY( ;=+/Y( T=G ]K -Ycb@+ \E@Y( >(=R (c c\^Y( J^\ ]X\ 2-cL\Y( .)+ZV/\Y)+ [Z7// c -\)F/\ .)'>4 [c\@Y( ;L/c 2]:;/Y)+ -4Y)L\Y( (-bG\Y(% .)4/^\ZY JG)V/\Y( 2-+ZL\Y( -

>c)4/ 07 -bG\Y( .)=BVY( R S. aureus )=/X+Y -4cYc+c=X\ =)L\ +c=c( ;)7/ ( JFc ;Uc ]Ac X / ,;7c -')\ ])/^K >c)4// ] ]X\c [(=OA,=\L/@\Y( ]Ac X / ,;7c  ?\:Y( .)^LY( ]\  2(a :-+c=c( -FcS\Y(% [(=OA,=\L/@\Y(

57   Lahsen Ababouch @\ZW& +2aWa)W& ,'\Z& 0'-\! 2.1.5 -')+cY( *^(c4Y( EL+c E=\Y( (

[c)^/ ;L+ .)K)@ ,;Kc T')U; JF+ ]cFO R 0;7c -

M;Z4Y( 6SGY(% -;Z4 E(=K [c( [)V\Y( R ;4^ :E(=K ,;K `Y ;/L\ )+(=GF( ,;)K ]\)/@bY( 0;7c -R>^c :([)b@#c Uc ])1O% -cL\ -;L\ E(=K [1 2(-LFc\Y( .)+)b/Y (c )V@/@ (c -@)@7Y(c .(;VL/ W)^ac 2(;Z4Y( W7 R -+O=Y(c T=Kc `4cY( =(=\7(c >:cc I(;D% -+DKc :(GPFY( E)S:^(% GB^/ ZK [\L/ !B^\Y( -4cYc+ M=: .)^\ ;4c/c 2*ZVY( .)+=F -K=@ [1\ ,=;)^ ]XYc ,=cG: =1X 2(Taylor, 1986; Lehane and Olley, 2000% ]\)/@bY( -\@

=H^(% W)\@( [c)^/ ]K 3/)^ )KcB [\@/Y( [)XB =1X `ZLYc [Y)LY( )7^ J\4 R ]\)/@bY)+ [\@/ 0;7c [\@/Y( 0;(c7 ]K ] K ( [/ )+Y)O `^ `1c;7 ]K ,;4 .()D7# ;4c/ `^ =O 2(. c  2 ]Yc;4Y( *+@+ c :-c^c (;^Xc )V=R c )@(c )+c=c R

;Lc 2_>(=R# [H^/ -DD:/\ ) : R ]>/: 2])@^ ( [@4 ]K -+=O ,;)\ ]\)/@bY(=+/L `/\@ [O=+ c ]\ -VU; Q')Hc [H^/ R [:; `^ ,=PD -4cYc@R .)K=4+ -+cO=\Y(c -=c=FY( ;(c\Y( ]\ ]\)/@bY( 2[\@/Y( E(=K =cbH [4L ] ]X\c ,=+X .)K=4+ )\@ 6+D `^XYc 2;L\Y( E\7Y( >(=R# [+U

LR [7/@\Y( ]\ ])X ;VR : '(L -SY)/Y( W)\@( M;Y ]\)/@bY( ]\ =PD .)K=4 R -7F(cY( -\@Y(c V^Y( ]/)\4(% !B^\Y( -4cYc+ M=: .)^\ .=X< ;Uc 2-SY)/Y( W)\@( R ]\)/@bY( -\@ ZK ,;K)@\Y( ]\Y)@\Y( ;@X 1 1 c ]\Y)@\Y( 1 1 c (];\=+@Y(c ]\=+@Y(c ]=@^(c ]=R;)XY(c ]@=/c+Y(c 2]\)/@bY( -\@Y -++@\Y( =D)^LY( -Y =@S/Y .)=H^ -1 1 W)^a .^)Xc 2(Taylor 1986% -++@\ =D)^LX

(DAO) ,histaminasae and m  nm  ]\)/@bY( J\ [\)L// /Y( .)\>^ ( .+X+ =D)^LY( _(=R# =D)^LY( *+@/ • ] (Clifford et al. (1993)  =c (Bartholomew et al., 1987; Gessner et al., 1996 R [;:/@ (=R# =c;c -=H^Y( _(=R# ]K -Yc"@\ ]cX/ ;U :-

58 ]\ [ZV/c W)\@( R ;4c/ ;U -\@ZY -++@\Y( [\(cLY( ] \@Y( >X=/Y( Mc/@\+ TZL/ )\R *)/=( W)^ac ] )\X :-SZ/:\ -++@\ [\(cK ZK -SZ/:\Y( W)\@( c/7/ ;Uc 2V^Y( ]\)/@bY)+ -^=)V\ -Y)LSY( -K=4Y( 2=: Y# Ic^ ]\ ,=+X -4=;+ .c)S// ] ]X\ -++@\Y( [\(cLY( .)c/@\

>4 % [(=O A[(=PZZ\ c7^+ W)\@( R ]\)/@bZY -\@Y( -K=4Y( Mc/@\ ( Simidu and Hibiki% =;Uc R !B^\Y( -4cYc+ M=: .)^\ c ])@^ ( R ]\)/@bZY -c\SY( -\@Y( (  opqr% E=L/@(c 2(]cZ\Y( ]\ :[(=O A[(=PZZ\  c ]+ 5c(=// .)c/@\ ;^K [)K [XB+ )SSG ]cX ]\)/@bY( [LS+ [\@/Y( ]  =c 2-

(W b/@ Y ]c\!\% [(=O A[(=PZZ\  ]\ [U • (-\@Y( [\/7\% [(=O A[(=PZZ\ z • ()\@ ]cX )\+=% [(=O A[(=PZZ\ z • (M=B+Y( W b/@ Y ]c\!\ =Oc \@% [(=O A[(=PZZ\  ]\ =1X( • -X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

=7Y( ^\( E\7Y( ]\ [@Xc+=)XY( I>^ T=G ]K -(=R# [/ [1\c 2=/X+Y( ^\( E\7Y( ]\ [@Xc+=)XY( .)K>)^ -G@(c+ -Z\LY( _S7/ [/c 2( . [c;4Y(% 2]\)/@bY( R ];/@bY( [@Xc+=)X I>^ -Z\K . [XBY(

@\ZW& +2aWa)W& ,'\Z& c\Z& CZ5W& OW&a> ]\)/@bY( ];/@bY( 17.5 Za92W& ]@c=/+Y( ]/\=c( ^\( E\7Y( QY(c@ ];^=+@ ( ]@=/c+Y( -4cYc+Y( .)^\( c ]=R(;)XY( ]1ZY( R ]cX// /Y( !B^\Y( ]\(=/Y( ]>c=)/Y( -'(

=\V@ ( W)\@ [c)^/+ ])7( [HL\ R E=\Y( G)+/= =\V@ ( [\@/ `^ ZK ]\)/@bY( [\@/ Y# )+Y)O =)Bc [1\ =\V@ ( -Z')K Y# \/^/ /Y( W)\@( ] =O 2[=X)\Y(c .Z+Y(c M=cDY(c *)1cY( W\@Y(c -^c/Y( [1\ -SY)/Y( Taylor, 1986; % E=\Y( (

. ZV@W&   7 A !"B ]\)/@bY( ]cX/

  7 $  7

59 -K>)^Y -LF): ,;)\X [\L/ )b/4@^ R ];/@bY( ]\ ,=+X .)\X I(c^( _

]K [U ==)V/ ;4c/ ]7 R :]\)/@a Y# `Zc7/c ];/@bY( [@Xc+=)X I>^ -Z\K .)@(=;Y( [HL\ .L+// 2(Flick et al., 2001% !B^\Y( -4cYc+Y( M=:( .)^\( 2)/^#

.)^\(c ]\)/@bY( ]cX/ -^)X\# [V/ M=4 :(Taylor, 1986; Middlebrooks et al,. 1988% M=: .)@(=; Rc `^ [(c7( J\4 R )\' \ ?Y ?)VY( ()^ G)B^ ?)U T=G ]K !B^\Y( -4cYc+Y( 2-ZLSY( .)^\( ?)U [/ ] *4 ()^\)/@bY( =c; [a)4/ ;4c/ ] ]X\ :];/@bY( [@Xc+=)X -K>)^ -D):c :^\( E\7Y( [@Xc+=)XY -K>)^Y( .)\>^ ( ]$R :)\c\Kc Photobacteriumc Clostridium, Lactobacillus, Vibrio, Pseudomonas :.)')L\( )=/X+ ]\ I(c^ R )=/X+ ;L/c (Ababouch, 1991; Taylor, 1986; Lehane and Olley, 2000; Flick et al., 2001% -=7+Y( -'+Y( R -L+G ,=cD+ ;4c/ /Y( )=/X+Y( I(c^ ]+ ]\ Photobacterium c Vibrio,Pseudomonas 2;DY( -Z\K ;L+ 0cZ/Y( -4/^ ,;)K ;4c/ C. perfringens c [(;/K ( -SY( .)')L\( ] ]7 R W)\@( Rc )=/X+Y( ] ]7 R :QDY( [DR )^1 =)B/^ ( Y# (Morganella morganii )\@ c% -cL\Y( )=/X+Y( [\/c )=/X+Y( Ic\4\ ;;7/+ (=:"\ Fujii et al. (1997)% [)U ;Uc 2(Okuzumi et al.,1984% )/BY( )^1 =B/^/ ;U -L+GY( -=cS@cR -'cF )=/X+ )b^ ZK .]c^ -Kc\4\Y( )=/X+. ,)\@\Y( -7cZ\Y( -SY )=/X+Y(c -+cG=Y( -SY 2(Photobacterium phosphoreum% IZ )\ I(c^( _:\Y(c ;=)+Y( ZK ]:;\Y(c !+L\Y( ]c\Y)@Y( R .^cX/ !B^\Y( -4cYc+ ] ]7 Rc 2-4/^\Y( .)^')XY( ]+ ]\ P. phosphoreum -D):c .)')L\(c -+cG=Y( -SY ^+ZY( E\7Y( )=/X+ ?Y ]XYc :-FS:^\Y( ,=(=7Y( .)4=; ;^K W)\@( EL+ R 6F(c [XB+ ]cX// ] ]X\ !B^\Y( -4cYc+Y( .)^\( @'= =c;+ [cV/ [\(cK ,;K W)^a ] Y# =B )\\ (Lehane and Olley, 2000; Flick et al., 2001% -L')B ,=cD+ 2,=(=7Y( -4=;c ]\>Y( Q :+

.)4=; ;^K M. morganii -G@(c+ ]\)/@bY( ]\ ,=+X .)\X ]Ec X / Y# Klausen and Huss (1987)% =)B c [O=Y( ZK (-c'\ -4=; z% -LS/=\ ,=(=7 .)4=; ;^K ]>:/Y( ;L+ (-c'\ .)4=; z% -FS:^\Y( ,=(=7Y( [>^ [@Xc+=)X -K>)^ ] [U ;Uc 2[U c -c'\ .)4=;  ,=(=7 -4=; ;^K 0;7 [Y M=/X+Y( c\^Y( ] ]\ -4=; ;^K WY< ;L+ ]\)/@bY( =cbH ]K -Yc"@\ .^)X -Y)K ,=(=7 -4=; ;^K ]>:/Y( )^1 .^cX/ /Y( ];/@bY( !B^\Y( -4cYc+Y( .)^\( ;L/c 2-Z1)\\ 3')/^ Y# van Spreekens (1986) [Dc/c 2[U c -c'\ .)4=;  ,=(=7 ,=(=7Y)+ [VL/Y( [1\ -=(=7Y( -4Y)L\Y)+ /7 )bZK )FVY( ]X\ `^$R :)b^cX/ ;=4\+c ]:@/ZY )\)\/ -\c)V\ 2( . [XBY(% -LS/=\Y(

60 -7R)X\Y(c =)B/^ ( (;

IZ )\ W)\@( W b/@( ;L+ ]\)/@bY( [\@/ F/V

!B^\Y( -4cYc+ M=: .)^\ c ]\)/@bZY ^\( E\7Y( QY(c@ ZK -X\@Y( -ZFK c/7/ ] • )=/X+Y( _^ ZK ,=;)U )=/X+ ZK W)\@( c/7/ ] • )=/X+Y( _Y( Qc=HY(c -R)H^Y( -D):c% ]>:/Y(c [c(;/Y( Qc=H ;"/ ] • !B^\Y( -4cYc+Y( M=:( .)^\(c ]\)/@bY( ]\ -Y)K .)c/@\ ZK c/7/ )X)\@ ]cXZb/@\Y( [c)^/ ] • [c)V\ ]\)/@bY( ] =X

)* 7+ )* 7*

6. ZV@W& Z 

[=X)\Y( W)\@ ZK ]:@/Y( =1 XX N ; &

[+U !B^\Y( -4cYc+ .)^\!+ -+)D\Y( Y /

Luten et al.,1992 [VL/Y( 100 M ; & Y

  7 7  7?&7 7 7 @\ZW& c2aWa)W& [Z&

(cbY( c )\ZY E=L// /Y( W)\@Y -+@^Y)+ C): [XB+ [b\ (

-4=; ;^K -7Z\\ ,;=)+ _)\ c ,;=)+ -=7+ _)\ R c 3Z1Y( R W)\@( JFc [)K [XB+ P+^ • ;^K -7Z\\ c ,;=+\ =7+ _)\ R JFc/ c :.c\Y( ;L+ -K)@  [ : [U c -c'\ -4=;   ,=(=7 ..c\Y( ;L+ .)K)@  [ : [U c -c'\ .)4=;  ,=(=7 -4=; W)\@( c :-c'\ -4=;  ]K ;>/ ,=(=7 .)4=;+ )\Y( c (cbZY -F=L\Y( W)\@( JFc P+^ • )\+ 3Z1Y( ]\ -V+G [:(; :-^S@Y( =bH ZK )a;=+/ [+U )a")B7 .K>^ /Y( G=  ]\ =1X(% -^c/Y( ;^K -7Z\\Y( c ,;=)+Y( =7+Y( _)\ R c (3Z1Y)+ ,=+XY( -^c/Y( W)\@( R ]G+Y( M(=R cB7 WY< R 2.c\Y( ;L+ .)K)@ [ : [U c -c'\ -4=;   ,=(=7 -4=; =bH ZK ;=+/Y( [+U )a")B7 I>^/ [Y /Y( G=  ]\ =1X % ,=+XY( -^c/Y( W)\@ ;=+/ P+^ • 2(.c\Y( ;L+ .)K)@ .@ [ : [U c -c'\ .)4=;  NZ+/ -Z:(; ,=(=7 -4=; ;^K -^S@Y(

6+D/ :[@Xc+=)XY( .)K>)^ ]Ec X / ;=4\+c 2[@Xc+=)XY( I>^ .)\>^ J=@Y( ]Ec X /Y( J^\ Qc@ (

61 W)\@( 0cZ/ ,;)K# c 0cZ/ *^4/Y >b4/Y( )^1 c N=S/Y( ;^K -^S@Y( =bH ZK ,;4Y( -R)H^Y( -@=)\\ (% 2^\( E\7Y( [@Xc+=)X I>^ ZK ,=;)VY( )=/X+Y)+

-K>)^Y( .)\>^ ( G)B^ ]\ ;7 ]Y `^XYc :,=+X -4=;+ =/X+Y( G)B^Y( ES: ZK W)\@( ;\4/ [\L ] ]X\c W)\@( ,=(=7 .)4=; [4@ -R=L\ ,=c=FY( ]\ `^$R (

Ic^/ ?XL (:/Y( ,;\ ZK ;cU E=Rc ;=+/Y)+ .((=4 ( _

:W)\@( ]\ I(c^( _4 R ]\)/@bY( [\@/ 0c;7 *+@+c R -Yc(;/\Y( W)\@( R ]\)/@bY( .)c/@\ ]!B+ -b4c/ )GcG: c McDU (;c;7 ,=1X ](;Z+ .LFc W)\@ c -^c/Y( W)\@ -X=\( =U)VLY(c -4 % [(=O A[(=PZZ\  ;;7/ )b+ -G+/=\Y( W)\@(c .a)\ a)\. =B/^ ]\)/@bY( ] 2=7Y( Mc/@\Y( _=)+/K)+ (]cZ\Y( ]\ >4 % [(=O A[(=PZZ\  c :-\@Y( W)^a :;7(c >4 R [(=O A[(=PZZ\  Mc/@\ ;4c (<# `^$R (c)4// ] [)\/7( 2(Rogers and Staruszkiewicz, 1997% TY!/Y( ?)U -V=G [(;:/@( =U)VLY(c -

Y# \/^/ /Y( W)\@( I(c^ ]\ -LR; [X ]\ .)^K  <: *4 `^!+ (1991a , 1995% +c=c( ;)7/ ( *Y)Gc .)^LY( _

(]cZ\Y( ]\ >4 % [(=O A[(=PZZ\  -G@c/\Y( -\VY( >c)4// *4 • ]\ [U ]XYc (]cZ\Y( ]\ >4 % [(=O A[(=PZZ\  ]K ;>/ -\U ]/^K M;Y ]cX ] >c4 • (]cZ\Y( ]\ >4 % [(=O A[(=PZZ\  (]cZ\Y( ]\ >4 % [(=O A[(=PZZ\  >c)4// -\U -^K  M;Y ]cX ] >c4 • ] ]X\ 7Z\ [cZ7\ R .)\>^ ( 2)F^ -4Y)L\ )bY .=4 /Y(c . ')LY( _/ ]XYc ZK ]\)/@a .)c/@\ )bR ]cX/ T=GY )VRc C7R .)Z\K (=4# *4c 2]cZ\Y( ]\ >4  c  ]\ ;+ ]cZ\Y( ]\ >4  c  Y# [D/ 2( 0a :-+c=c( -FcS\Y(% (HPLC% (;( Y)K ['(c@Y( *(=B/@( [1\ :)\ZK )b+ Q=/L\c -Uc1c\ Q :+ :-X\@Y( .)4/^\Y( c W)\@( ]\ -+X=\ -^K R ]\)/@bY( Mc/@\ >c)4/ *4 :(;^Z>c^c )Y(=/@( Rc -\XY( ]\ ,4 % [(=O A[(=PZZ\  :.)c:=Y(c .)=BVY( R ;^+Y( (+ 5(=/U( J\ :E(=L/@ ( ;U ](cac : [c( ]=B/A=+c/X Lehane and Olley, 2000% (]cZ\Y( ]\ >4 % [(=O A[(=PZZ\  Y# -X\@Y( .)4/^\Y(c W)\@( R

62    ,'>a;QW& 3.1.5

c RNA% -1(=c ,;)\ ]\ ]cX// (=/\c^)^  c  ]+ )\ ,;)K% =PDY( -a)^/\ -VU; .)^')X .)@c=SY( ;L/ ] JG/@/ c ) :Y( [:(; -F=\\ .)^')X -=D7 ,=cD+ a .)@c=SY(c 2]/c=+Y( ]\ )GOc (DNA .)@c=SY( .)\@4 ]$R (4)K )b/(< ;7 R ])@^ ( ZK ,=cG: c )F=\ [XB/ )b^XY c :;7(cY( =/ZY( R .(=)Z\Y( .(=BL+ ,;)K )a;;K =;V <# :=7+Y( R )\Y( R )a;c4c ;Lc cL\Y( ;L\Y( >)b4Y( R -\' \Y( )b/'+ ;4/ )L\4 )b^$R .)@c=SY( =c;Y (=H^c 2(Lees, 2000% ]K -1cZ\ .)4/^\Y( ]cX/ c 7DY( Q=DY( .)SZ:\+ -1cZ\ _)\Y( ]cX/ ] )\$R :-R)H^Y( c@Y -4/^ -=7+Y( -

. ZV@W& =b4\Y)+ H7cY )\X WYcc=c^ ?c=R ]cZ\ -')\ ;c\LY( [1\c :^c=/XY ( :F.P. Williams ]K V^ 2=/ZZZ\Y( R 2-'+Y( -)\7Y -X=\( -Y)XcY(

;+XY( *)b/Y(c @c=SY( )L\(c ,;L\Y( *)b/Y( I]/@'= ]/'R Y# ])@^ Y -cL\Y( .)@c=SY( )b++@/ /Y( E(=\( [@V^/c . )7 ]\ ;;K =+X ]K -Yc"@\ .)@c=SY( ;L/ :  [@VY( R ,;=(cY( .)^)+Y( ]\ 6F/ )\Xc 2(Caul, 2000% @c=SY( ]\c 2((;4 bG\Y( =O% &^Y( c:=Y( =)7\Y)+ C): [XB+ G+/=/c -=7+Y( -^cZS^( [1\ -SS:Y( E(=\( ]K -Yc"@\ ac ])@^ Y E(=\( ]\ -S')G+ .)@c=SY( *+@/c -; ( [1\ ,=cG: =1X( E(=\( WY

a -1(=cY( ,;)\Y(c 2( . [c;4Y(% -1(=cY( ,;)\Y( QEX/c [H^/ *@7 .)Kc\4\ Y# .)@c=SY( [@V^/c ;4cc 2-1(=cY( .)\cZL\Y( ]\ ]ZDS^\ ]G: c (;7(c )G: [\7/ /Y( RNA c (DNA% Mcc^Y( E\7Y( /Y(c Caliciviridae, -@c=SY( -Z')LY( Y# WYcc=c^ ?c=R \/^c 2-@c=SY( . ')LY(c [H^Y( ]\ =1XY( [@)+ )^)7 WYcc=c^ ?c=R Q=Lc 2™“––‘z‹ŒŽ ?c=R )b^+ ]\ :M=: .)^4 -1 1 )F [F/ ])Xc 2Picornaviridae -Z')K Y# QY ;+XY( *)b/Y( ?c=R \/^c 2(SRSV% -^+Y( =;/@\Y( =PDY( ?c=SY( =1X 6+D `^XYc (Caul, 2000% ^c=/XY ( M=b4\Y( Q^D/Y( ZK [cG .UcY ;\/L .)@c=SY( Q^D/ 2'>4Y(c +U)L/Y( . @Y( =cG/ ]K .)@(=; (=4$+ 6\@ )\ cac -'>4Y( .)^V/Y( T=G ]K -Ycb@

,=1X .)+VK `4(c/ [(>/ c (-=7+Y( -/@ Y T=G ;c4c [;K *+@+ EL+ I(=>/@( ]X\c 2(PCR [(;:/@)+ 1\% '>4Y( QBXY( ZK ;\/L )a=D7 ] )\X :) :Y( R )bK(=>/@( 2)bK(=>/@( ]X\ =+Y( Ic^Y( ]\ . @Y( [HL\ ]XYc )=+/:\ -Y;L\Y( .QY . ;+XY( *)b/Y( . @

63 Lees (2000) and G ]\

RXJ-W& -W& C&;Z') E')-; & +X%'JW& Ga\W& =a;QW& +;5)W& +:M& '`XT\- ,==X/\ ,=cD+ Calicivirdae SS1RNA WYcc=c^ ,==X/\ ,=cD+ Picornaviridae SS RNA ;+XY( *)b/Y( .QY . =O ]\ ;+XY( *)b/Y( *+@ T1c\ =O Caliciviridae? SS RNA ;+XY( *)b/Y( . )7c 2)+c QY Ic^Y( .)a. *=BY( _)\+ -G+/=\ BS/Y( -YcV^\Y( . )7Y( ]\ [ZU \4^Y( ?c=SY( ] ;V/L Astroviridae SS RNA ?c=SY( -

7DY( Q=DY( _)\ ]\ -Yc>L\ T1c\ =O Reoviridae DS2RNA )/c= ?c=R Q=DY( _)\ ]\ -Yc>L\ T1c\ =O Adenoviridae DS RNA ,;PY( ?c=R -=7+Y( -( ,;=S^\ „ DS - 2 -')+cY( *^(c4Y( EL+c E=\Y( (

WY

;L+ E=\Y)+ ]c+)D ](=+Y( ,;)\ZY ^c=/XY (

]\c 2J+)@ ,;K =\/@c _)\Y(c -\\Y( `F(=K ]+ )+c=c ]\ [X R ,=R(c/\ [)D\(c 2[+)VKc .)@)X/^( 0;7/ ;U ]XYc -^)D7Y( EL+ E=\Y( *@/Xc 2(Cliver,1997% -

64 -X\@Y( .)4/^\Y(c W)\@( R =)B/^ (c -\' \Y( -'+Y( (*

E(=\( J\4 [1\ ])@^ Y cL\Y( ;L\Y( >)b4Y)+ .QY . ;+XY( *)b/Y( ?c=Rc WYcc=c^ ?c=R G+/= C):B( >(=+ R ,=+X .)\X+ .)@c=SY( _=Sc 2]+)D\Y( )\ )+Y)O .QY . ;+XY( *)b/Y( ?c=R ]$R :WY< ]\ ?XLY( ZKc 2E(=K( )S/:( ;L+ [U( ZK ]\c ,;\Y Y# Ic+@ ]\ =\/@/c )\c z ]\ 5c(=// ,=/S+ E=\Y( ;+ [+U ]+)D\Y( C):B( >(=+ R >=S 2E=\Y( ;+ ;L+ ]Kc+@

[X(=/c C)D/\( [/ 07 7Y( c:=Y( =)7\Y( ca @c=SY( )L\(c ,;L\Y( *)b/Y )KcB =1X( *+@Y(c M=:( -c+:\Y( JZ@Y(c .)GZ@Y(c [)V/=+Y( =DK ]K .QY . ;+XY( *)b/Y( 3/^ ;VR 2-@c=SY( E(=\( R .++@/ 2)1;7 -RcGV\Y( -bX)SY(c ,;=)+Y( .)+c=B\Y(c ;+>Y( *+@+ WYcc=c^ ?c=R BS/c 2?:Y(c

-X\@Y( .)4/^\Y(c W)\@( R )V+Y(c c\^Y( (2

=1" Qc@c 2Yc( 0cZ/Y( 0c;7 ;L+ ;(>// )a;(;K ]$R (b4/ R =)L\Y( =1!/ ]K [ZVY( Mc@ Q=L `^ J\ :.)@c=SY( )V+ R T7 Y( >b4/Y( HS7Y( =)L\Y -\c)V\ =1X ]cX/ .)@c=SY( ]$R )\c\Kc 2.QY . ;+XY( *)b/Y( ?c=Rc WYcc=c^ ?c=R ;=+/Y( ,=(=7 .)4=; R ,=V/@\ ]cX/ ?c=SY( .)\@4 ]$R WY< J\ 2-/)+^Y( )=/X+Y( ]\ >b4/Y( .(cG:c [c\:Y( [;L\ R -SSG ,;)> Mc@ *+@ ]ZR ;\4\Y( ]>:/Y( )\ :M=: [\(cK )a=(=V/@( I>K>/ )\;^K ;^K ^(c1Y)+ ,;)K ,;)+ ( .)+/=\ ?)V/c :.)@c=SY( G)B^ [)G+# ZK ]:@/Y( [\Lc 2(ICMSF, 1996% -4=;  Y#  ]\ 5c(=// ,=(=7 .)4=; ;^K T')U;Y)+ ]XYc -c'\ -4=;  ]K ;>/ ,=(=7 .)4=; 2.)@c=SY( G)B^ [)G+ ])7( *ZO R SX Y>^\Y( ]:@/Y( ] ^L (

;^K ]:@/Y( ]XYc M=:( -cL\Y( .)@c=SY( ]\ QS4/Y(c ,=(=7ZY -\c)V\ =1X .QY . ;+XY( *)b/Y( .)@c=Rc 6')SDZY -^cX\Y( .(;7cY( R .)4=;  =(;V\+ )F)S:^( 0;7 -c'\ -4=; z  ]\ 5c(=// ,=(=7 -4=; 2( ^4c=;bY( [U=Y(% ,=DU ,=/SY E)\7Y E=L/ZY [c)V\ .QY . ;+XY( *)b/Y( ?c=Rc 2(Millard et al., 1987% .(=/\(=)+Y( =1!/ ]K .)@(=; (=4# )+=V/ =/@( *Y)@ ;c4c [;LY (=H^c ]!+ [cVY( ]X\ :-

?c=R ES:Y )\c  [>Z :-c'\  ,=(=7 -4=; ;^LR 2=7+Y( _)\ R ?c=SY( )V+ ZK =+X =1 ,=(=7ZY c ,=(=7 -4=; ;^K )\c  R )b/(< ES:Y( -+@^ ZK [cD7Y( [/ `^ ]7 R -')\Y( R  -+@^+ .QY . ;+XY( *)b/Y( ES: [/ ;VR :?c=SY( G)B^ [)G+# ZK -4@S^+Y( TcR -LB( [\L/c 2(Gantzer et al., 1998% -c'\ -4=;  Gantzer et al., 1998% =/\/^@A.(cZZ\  -4=; ;^K T')U;  R -')\Y( R  -+@^+ .QY . ;+XY( *)b/Y( ?c=R

-7R)X\Y(c -)UcY( (;

ca E=\Y( =;D\ ] (=H^ ;+\Y( 07 ]\ -G@+ -=7+Y( -(=+Y)+ =B)+\Y( =O c =B)+\Y( 0cZ/Y( 7DY( Q=DY( ]\ -Y): _)\ ]\ _;D [/ (<# \;( W b/@ Y *@)^\ R;DY( =)7\Y( ;Lc 2E=\Y( ,=(=7 .)4=; ;^K -=(=7Y( -4Y)L\Y)+ .)@c=SY( ,;)+# -Z\K >b4/Y( [\B ] ]X\ :[+)V\Y( Rc 20cZ/Y(c 2W b/@ ( [+U =)7\Y( ]\ .)@c=SY( -Y(># ]X\ c :(*ZL/Y( [1\% -Y)K

65 , .)@c=SY( ]\ CZ:/Y( ]X\c 6B=/Y( T=G ]K M

/@ Y

.ZV@W& 7  Escherichia coli )=/X+ =bG/ ,-7 

 =)7\Y( ]\ ‡ )=/X+Y( -\b/Z\c

 F  7DY( Q=DY( _)\Y E=L/Y( ;L+ Lees (1995) ]\

E. coli

=bG/Y( .)K)@

?c=R [1\ .)@c=SY( [HL\ ] )\+c c J@(c T)G^ ZK -Yc+V\ .@Y -@c=SY( .(=B"\Y( _/@( ]X\ WYcc=c^ -Kc^Y)+ TZL// =)L\c -b4c/ GcG: ,;K ,;7/\Y( .) cY(c +c=c( ;)7/ ( ]\ [X M;Y ;4cc ,;c4 ]+ -U K ;c4c [;LY (=H^c 2_)\Y( R c\^/ /Y( =)7\Y( c .)R;DY( ]\ I(c^ -@\:Y -4cYc=/X+Y( -FcS\Y(% .)^(c7ZY =)L\ +c=c( ;)7/ ( JFc :.)^(c7Y( R -F=\\Y( .)^')XY( ;c4cc _)\Y( 2(. [@VY( =H^(% ;DY( TG)^\ R _)\Y( -Kc^ Y# ,;7/\Y( .) cY( =)L\ =B/ )\^+ ( :-+c=c( -R)H^Y( T=G ]K WY)SU (;/=( ]X\c 2WYcc=c^ ?c=R BS/ 0c;7 K)+= .)+X=\c -Yc^SY( ;(c\Y( [1\% .(=bG\ZY )+@^ -\c)V\ .)@c=SY(c 2;( [@O T=G ]K .)@c=SY( 6G@( TcRc )\Y( R .)@c=SY( G)B^ [G+/ (;cY(c =cZXY(% .)^4cY)bY( ] ]7 R ([c^)1 (c )^c\( .)c/@\ SX/c 2-/)+^Y( -=/X+Y( ) :Y( -@)@7 ]\ [U ;L/ .)^4cY)bZY .)@c=SY( -@)@7 ] =O 2-SH^Y( 2.)@c=SY( G)B^ [)G+ -VU;  ,;\Y =/YA=cZXY( ]\ [(=PZZ\  ]\ ZK

      ,'XQEW& 4.1.5

c .);)D/U )+ TZL/ )\R (=+X )VZU =1 )b\HL\ ]XYc :)\)\/ -L')BY( =c\( ]\ W)\@( R .)ZSGY( ;c4c Orlandi et al., [)U (=: c : Crossc Olson Higashi *^)4 ]\ -^)L\=B^ [/ ;Uc 2-\)LY( -7DY( 2\ZLY( *^)4Y( ]K C:Z\ ;(;K$+   

66 *+@/ )b^ )b^K Q=L =)7\Y(c W)\@( ]\ .<: /Y( -;c;Y( .)ZSGY( ]\ )Kc^  ]\ =1X W)^ac [XB )bFL+ ]XYc -Y;/L\ c -SSG =(=F Mc@ 0;7/ c ,=;)^Y( .)ZSGY( ]\ )b\HL\c 2])@^ Y E(=\( 2. [c;4Y( R .)ZSGY( _

P&;N2W& HZW& a *9a>ZZW& [&99W& [Y)LY( T)G^ ZK spp [Y)LY( T)G^ ZK Gnathostoma spp .)ZSGY(  . Za92W& ]+ZSY( Capillaria philippensis T=G ]K -YcV^\Y( -F=\\Y( [Y)LY( T)G^ ZK Angiostrongylus spp -=7+Y( -

Anisakis -')+cY( *^(c4Y( EL+c E=\Y( (

*)Dc 2anisakid ](;;Y -^)U=Y( [7(=\Y( )b++@/ /Y( -;L\Y( -cL\Y( -ZSGY( E(=\( ]\ Anisakiasis (; ;L WY< ;^K 2-77D =O -V=G+ -HcS7\ c -bG\ c -'^ -=7+ -

67  5

S7

17

)7&

2 7& S A87

Anisakis [SGY( ,)7 ,=c; !. ZV@W&

c (-4^=Y( ,;c;% a E=\Y)+ ])7( *ZO R G+/=/ /Y( anisakidae [SGY( I(c^ c . FKc )B7 R .)ZSGZY -;L\Y( -^)U=Y( -Z7=\Y( ;4c/ ] ]X\c 2(;VY( ,;c;% Pseudoterranova dicipiens 2. [c;4Y( R ]+\Y( c7^Y( ZK ]Kc^Y( ]+ >\/Y( [b@Y( ]\c 2(. [XBY( =H^(% W)\@( ]\ -Kc^/\ -Kc\4\

Anisakis [SGY( .)\@ . Za92W& +Z'I ,'QB [aXW& Y25W& Ga\W& [D'5W& 4Z ZW& Y> & -4^=Y( [XB ZK ;L4\ -4^=Y( ,;c; E+( [\  z [cGY( Anisakis simplex ^c>Z7 [\  z  E=LY(

;VY( ZK c [V/@\ ;VY( ,;c; ]cZY( Y# [\ [\ z [cGY( Pseudoterranova S Q=7 [XB c ^+Y( c =SD( [\  z  E=LY( dicipiens =\7(

;WVY( W\W@ WR )\a Xc (]\Y( Y#% Pseudoterranova dicipiens (=)@Y( Y#% Anisakis simplex ". ZV@W& (Stig Mellergaard =c/X; ]\ -;a ])/=cDY(%

68 -X\@Y( .)4/^\Y(c W)\@( R =)B/^ ( (*

-4^=Y(c ;VY(% -^F)7Y( W)\@( ]\ ;;LY( [:(; WYc\ Anisakis .)ZSG ]c\Y)@Y( R -')\Y( R  ]\ =1X( Y# =)B/^ ( [D ()GY( X=\( ] )F L+GY( ]\ :-=7+ .);1 )bR ;4(c// /Y( TG)^\Y( Rc 2(Roepstorff et al., 1993% [)\BY( R GU `^K QBXY( [/ [Y [SGY( (\Y( ]c\Y)@ ]\ =+X ;;K Brasseur,1993; Deardoff and Kent, 1989; Bristow and Berland, 1991

ICMSF,2003 ]\ \Y( -=7+Y( I(c^( R Anisakis simplex [SGY( =)B/^( . Za92W&

G +)'2! ,'\JW& 99I @\ZW& +VZ>W&   ]G^B(c Ic=>\Y( ]c\Y)@Y(    3c=^Y( Ic=>\Y( ]c\Y)@Y(  (;^Z/X@( Ic=>\Y( ]c\Y)@Y(   ])+)Y( Ic=>\Y( cacX ]c\Y)@   ])+)Y( GU=\Y( Ic=>\Y( ]c\Y)@Y(   ]G^B(c M=+Y( ]c\Y)@Y(   @ZG( [)\B M=+Y( ]c\Y)@Y( z   @ZG( *=O M=+Y( ]c\Y)@Y(   @ZG( T=B M=+Y( ]c\Y)@Y(   ])+)Y( M=+Y( cacX ]c\Y)@  G@c/\Y( =7+Y( ];=@Y(    G@c/\Y( =7+Y( -4^=Y(  M;)bY( G7\Y( -4^=Y(   M;)bY( G7\Y( ;VY(

-X\@Y( .)4/^\Y( R )V+Y( (2

R ](;;Y( G)B^ QUcc [/VY -Y)LY( 6Z\Y( .(>X=/ c -LS/=\Y( c -FS:^\Y( ,=(=7Y( .)4=; [(;:/@( ]X\ 2](;;Y( R =1"/ -F\7Y( Qc=HY( ]$R WY< ]\ ?XLY( ZKc 2(  [c;4Y(% W)\@(

W)\@( R ](;;Y( G)B^ QUc c [/U Y# M;"/ /Y( Qc=HY( . Za92W&

H2;ZW& E'@\W& OSaW Y< W& ,SaW& +ZTW& Oa;FW& Howgate 1998 -K)@  [ -20 ,=(=7Y( -4=; *;a@\Z ;M ,'\')Huss ,;7(c -VU; [  Karl et al. 1995 )Kc+@  ]\ =1X z :(NaCl) [c;cDY( ;=cZX 5 \ z )Kc+@ z (%WPS) u-')\Y( -Z7=\Y( J+)@ z z

69 -7R)X\Y(c -)UcY( (;

EECAA [U= ?Z4\Y( `4c/ R )b^K =B ;U +c=c( ;)7/ ( R .)ZSGY( -7R)X\+ -VZL/\Y( Gc=BY( ]# )^1 =D+Y( A/S/ZY -X\@Y( .)4/^\Y(c W)\@( J\4 JF:/ ] *4c 2(a -+c=c( -FcS\Y(% J\4 I)F:# *4 :(b4/Y( (>4 J\4 R [U( ZK -K)@  ,;\Y -c'\ -4=; -20% ;\4/ -Z\LY -'^ `+B c -'^ WZb/@/ /Y( W)\@( (]:)@Y( ZK -^:;\Y( W)\@( [1\% )b^:@/ M=4 /Y( -X\@Y( .)4/^\Y( ZK )F T+G^ ( Y( ;\4/Y( -Z\K ] ZK -X=\( 6'(cZY( C^/c 2](;;Y( 2(a :=U)VLY(c -

2(;4 ,;\4\Y( c (;4 -bG\Y( W)\@( [c)^/ ca `/7R)X\c anisakiasis [SGY( ]\ -)UcZY -V=G [FR ]$R (b4/Y( [\B ]

Gnathostoma -+)D ( 0;7/c 2-L+G .)^F)7X (-=+Y( .)^(c7Y(c GGVY(c * XY(% [c7ZY( -ZX .)^(c7Y( ,;c@\\Y( ,;c;Y( _X=\Y( +DLY( >)b4Y( Y# c ]LY( Y# -U=Y( [D/ ] ]X\ ,=G:Y( . )7Y( Rc 2.)\=c/

Capillaria species Mc;LY( 0;7/c 2(;c;7\ )\)\/a( VZ/ .^)X ]#c -\)LY( -7DY( -7)^Y( ]\ ,=+X -\a .(< ](;;Y( _L/ /Y( ,)RcY(c (;;B )b@# )++@\ )L\( R NY)+Y( [SGY( =V/@c Rc 23F)^Y( =O E+Y( [X!/ /Y( -+(=+Y( 2)F=K )^F)7 ])@^ ( 6+Dc W)\@( -ZX =cGY( R .)ZSGY( ;7 -PY)+Y( ,;c;Y( ]cX/ . )\/7 ( *ZO

Angiostrongylus species

2(. [XBY(% )')b^ )^F)7 ](='SY( ]\ <://c =/\ZZ\ z )bYcG NZ+ ,;c@\\ ,;c; ca Angiostrongylus [SGY(

70 AC

S7

:+7

:7U 1B7

 -7SU

[SGY( ,)7 ,=c;   ZV@W& Angiostrongylus sp . -++@\ 9\Y( Y# ](;;Y( [7=/c 2-1cZ\Y( .)c:=Y( c .)^c>Z7Y( [c)^/ T=G ]K Mc;LY)+ ])@^ ( *)Dc [(>/ ]XYc :)@ ]\ -^L\ TG)^\ R [D( R [SGY( ;acB ;Uc 2,)7Y( ;;b L ] ]X\c 2,;c;Y( _

Diphyllobothrium G&a\

-G=B ,;c; =+X D. latum ,;c;Y( ;L/c 2-G=B c -;ZU ](;; ]K ,=)+K ca Diphyllobothrium [SGY( 2W)\@Y -VU;Y( )L\( R =V/@/ ac 2=)/\  ]\ =1X Y# )bYcG [D ] ]X\c ])@^ ( *D/

=bH/ ;U )b^XYc E(=K + Mc;LY( [HL\c 2(;cVLY% cG =\/@/ Diphyllobothriasis )b++@ /Y( Mc;LY(c TG)^\Y( R J@(c T)G^ `Y -G=BY( ,;c;Y( =)B/^(c 2]>cZY ](;VRc Uc [)b@#c M;L\ *(=GF( [XB ZK 2(. [XBY(% -+

71 S7 5S7I J7

:+7  G*7T-7&

DA87 7P 3

-F=LY( -G=BY( ,;c;Y( ,)7 ,=c;   ZV@W& . W)\@( R Diphyllobothrium sp

-;ZU ,;c; ac :Diplogonoporus grandis [SGY)+ ])@^ ( Mc;LY ;4(c/ =+X (=: ])+)Y( R [4@ ;Uc -UcB^ ( W b/@( Y# M>L [)V/^ ( ] [Uc 2(Kino et al., 2002% Diphyllobothridae -Z')K Y# \/^/ G@c/\c (=/\/^@  F=\Y( ]\ 2=:/ /Y( -G=BY( ](;;Y( [cG G@c/\ NZ+c 2-'^Y( ,=PDY( -^)+)Y( 2D. grandis ,)7 ,=c; ]K ,;X"\ .)\cZL\ ;4c/ c 2.(=/\ZZ\  )bF=K ,')T/ZW&

:-4 ,>b4\Y( c (;4 -bG\Y( =O c -'^Y( .)^)G=@Y(c .)c:=Y(c -+

W)^a ]cX ] )F =c=FY( ]\ :.)+V1\Y( E=\ Rc 2)b^Gc/ TG)^\ -R=L\ [b\Y( ]\ :E=\Y( -7R)X\Yc -F+Y( ]\ (;+ ,)7Y( ,=c; [7(=\ ]\ -Z7=\ [X -R=L\ *4 )\X :`/)7 ,=c;c :[SGY( )4cYc+Y [\)X [bR :([c( G@cY(% ]c>Z7Y( I.)^F)7Y( J\4 ;;7/ *4c 2NY)+Y( [SGY( /7 .)+^<\Y(c -'(;+Y( -U=Y)+ (=c=\c 2.)+^<\Y( )bUcR ?X// /Y( (^)1Y( G@cY(% .)+^Y( c ](c7Y( c

)bY E=K DU c (=/\ZZ\  Y# .(=/\ZZ\ JF+ ]\ )bYcG NZ+c -Z7^c -7GZS\c ,=PD -PY)+Y( ](;;Y(c -G@c -^F)7 W)\@( ]\ <:// /Y( .)+V1\ZY -\)LY( ,)7Y( ,=c;   [XBY( ]+c 2.(=/\ZZ\ z ]\ 2-c^)1

72 M79?U7 S7%

17

 77+7 %:G-7 SU

:G-7

-G@c -^F)7 W)\@( ]\ <:// /Y( .)+V1\Y( ,)7 ,=c; . ZV@W& ( ]\

;+XY( .)+V1\ • -'=Y( .)+V1\ • )L\( .)+V1\ •

W)\@( T=G ]K -YcV^\Y( .)+V1\Y( .)ZSG 23.5 Za92W&

=;9T-W& 99JW& +P&;N2W& +TE\ZW& \'/W& E>aW& [D'5W& ZQEW& ba9JW& , '5W ([ ZW')% I;+XY( .)+V1\ )@ T=B *c^4 -+^Rc  $ )=cX -=cb\4c ]DY( -+^Rc )@c=c ])+)Y(c Gc+BY( ]\ )b\HL\ I-'=Y( .)+V1\  c=+c )@ T=B *c^4 -+

73 ;+XY( .)+V1\

;(;K ;4c/ ] ]X\c 2;+XY(c -c(=SDY( ,)^VY( Y# ,=4bY( )bZFS/Y (=H^ ;+XY( .)+V1\+ .)=GSY( _

-'=Y( .)+V1\

=c\^Y(c =>)^:Y(c GGVY(c * XY(% -=+Y(c -SY( .)^(c7Y( ]\ ;;K Rc ])@^ ( /'= R -PY)+Y( -'=Y( .)+V1\ ;4c/ 2>(=+Y( J\ 2=:c `LZ+ [/ c [@4Y( ]\ [PZ+Y( T=G ]K 2=:c -'(cbY( .)+DVY( Y# [SGY( E+ [:;c 2(;cbSY(c

*)Dc 2^)1Y( G@cY( ]F)7Y( -+Z7Y(c =O ](;;Y( T=/:/ 07 2(;4 -bG\Y( =O c -'^Y( .)^)G=@Y(c .)=BVY( [c)^/ T=G ]K Mc;LY)+ ])@^ ( 2]/'=Y( Y# [1 Mc'=Y( M(=SY( Y# >4)7Y( *)47Y( T=/:/c [@4Y( M(=R Y# [D/c -cL\Y( -4@^( -4F)^Y(

:=)F =O ](;;Y( _\ )c'= )F=\ *+@/ ] ]X\ ,=+XY( ;(;K( ]XYc 2))7@Y( *)b/Y(c -ZVK .)+(=GF( Y# [/ ]\c M)\;Y( c>O Y# ;" ;U X=\Y( +DLY( >)b4Y(

*)D ;U ]/'=Y( R ](;;Y( =V/@/ ] ;=4\+c 2-;L\ [ c [)b@# [XB ZK -=a)HY( E(=K( ]cX/ ;Uc 2-Z/)U Mc;LY( -4/^ ]cX/ ;U :M=: )FK *)D/ )\;^K :,;;BY( . )7Y( R )\ 2[)L@Y)+c [)K =c/S+ E=\Y(

-cL\Y( .)+V1\Y(

=;V )\ W)^bR 2-')+c -\a W)\@( T=G ]K -YcV^\Y( -cL\Y( .)+V1\Y( ]\ -SZ/:\ I(c^ .+@/X( ,=:( .(c^@Y( R *=V )\ )b++@ /Y( echinostomiasis c metagonimiasis, heterophyasis E=\ ]\ ]c^)L C:B ]cZ\   c7^+ =1X( ])Kc^Y(c 2-@'=Y( )b/ ')K ]\ Echinostomatidaec Heterophyidae ;L/ /Y( -cL\Y( .)+V1\Y( ]\ )Kc^  ]\ AL/ =/\ZZ\ (z% -)PZY ,=PD .)+V1\ ac2 Heterophyes heterophiesc Metagonimus yokagawai )\a -\a a Yc( -G@cY( .)^F)7Y(c 2,;L\Y( R [Y c [)b@ ( E(=K c *)b/Y ( -++@\ ')b^Y( ]F)7Y( )L\ R _)\Y( W)\@ c Metagonimus sp [SG ]\ -+^<\Y( -Z7=\ZY -^)1 -G@c -^F)7X -+Z7Y( -7Y)\Y( _)\Y( R AL/ /Y( .)=)7\Y(c .)c:=Y(c .)R;DY( ;L/ ]7 R ;Heterophyes sp [SGY -+@^Y)+ -7Y)\Y( -+cY( ](;VRc [c\:Y(c [)b@ (c ,;)7Y( -;L\Y( [ ( [\B/c -^L\Y( .)ZSGY( *@7 -=a)HY( E(=K( *+@c c\;Y( >)b4Y( Y# [:; ;Uc -cL\Y( -4@^( T\K R .)ZSGY( E+ 3F^ . )7Y( EL+ Rc 2C)D/\ ( 2E(=K ]c;+ -SS:Y( Mc;LY( . )7 ;L/c 2-+ZU (=(=F

.)+V1\Y( ]K -4/)^Y( E(=\( -7R)X\

;7 Y# )R(=/K( TZ/ [Y /Y( -@'=Y( -\)LY( -7DY( [X)B\ M;7# W)\@( )bZV^/ /Y( .)+V1\Y)+ Mc;LY( [1\/ .(< .)ZSGY( J\4 [V/^/c 2,=:( .(c^@Y( R W)\@( ZK A/S/Y( ='(c;c 7DY( I)GVY( *^)4 ]\ =+X )bZ\7/ /Y( .)+V1\Y( [)V/^( G+/=c 2-bG\ =O c -'^ -X\@ .)4/^\ [c)^/ T=G ]K ])@^ ( Y# ]!BY( W)\@( W b/@( [/c 2]Gc/Y( TG)^\ R -R)V1c -;)D/U(c -K)\/4( I)Fc )a;;7/ -XcZ@ G)\^!+ W)\@(

74 W)\@( [X! =cXY( [4=Y)R 2W=+Y(c .(c^VY(c .(=7+Y( [c7 ])7( *ZO( R .)+V1\ZY -Z\)7Y( .)=)7\Y(c Rc 2clonorchiasis \@ E=\+ *)DR -K)\/4 ( .)+@)^\Y( R (Yc7X *(=B% X)@Y( *=B )\^+ -'^Y( _)\Y( W)\@ ;(=/@( [/ J^cX N^ca Rc 2&^Y( W\@Y( 6'(=B J\ >=( ;=1 [c)^/ ])X@Y( [FS ]DY( *c^4 E=\+ *)D/ /Y( ,=@c\Y( .)'SY( Mc@ )bXZb/@/ WY4 R =\:Y( R IcV^\Y( ])G=@Y( W)\@ ;^Z)/ R Opisthorchiasis E=\+ -+)D ( 0;7/c 2-cY -VG^\ R -'^Y( W)\@(c .)^c>Z7Y( [c)^/ ]\ Echinostome

.)^(c7Y( [c)^/ M=4 .(=)F7Y( EL+ Rc 2=P/  [c)V/c ,=)F7Y( R -ZPZP/\ -'( [):Y( ])G=@Y( ] ;V/L ]c=\)XY( Rc :paragonimiasis ;cUc ;c4c [;K *+@+ ,=c=FY( [X7+ -'^Y( -\LG( [c)^/ [/ )\ )+Y)Oc 2F=\Y( [)SGY -R)GY( .)^)G=@Y( 0cZ/ Y# ;" '(cBLY( >=+/Y(c ,;\@!X (-ZZY( -+=/Y(% ^(c7Y( 0c=Y(c M=B+Y( >(=+Y( [(;:/@( c 2bGY( -;L\Y( ,=c;Y)+ I=)@/ WY<+c -X\@Y( W=+Y( ZK _)\Y( .(=c; [)V/ TG)^\Y( EL+ Rc 2-')\Y( [/XY(c -'+Y( _\Y( W)\@Y +@^Y( =c;Y( ;L+ 6F/ [Yc 2-S=Y( -X\@Y( I=(>\Y( R ,;B+ -1cZ\ -;ZV/Y( E(c7( R -X\@Y( I=(>\Y( W)\@ ]cX/ :[)^/Rc ]DY( [1\ ](;Z+ Rc 2E(=\( 2E=\Y( =B^ R [b\ =c;+ [cV 

c ]F)7 )bR W=)B ,;VL\ ,)7 .(=c; )bY -

:-\Y)LY( -7DY( -\H^\% .)+V1\Y)+ Mc;LY( . )7 ]K -\Y)LY( -7DY( -\H^\ `/=;D \Y(c -K(=>Y(c -\)LY( -7DY( [1\ )=c=F 6+D )b^+ )\ R ]c)L/Y(c -\b\ =+/L/ .)K)GVY( W)\@ R -Z7Y( Ic\4 -+U(=\ R )F =XS/Y( ]X\c 2-\Y( E(=O Mc;LZY -\c)V\Y(

=)L\ [HL\ .^)Xc 2W)\@( .)4/^\  -b4/ R -\;:/@\Y( (6Z\Y(c ^4c=;bY( [U=Y( ,=(=7Y( -4=;% HS7Y( 2(. [c;4Y(% .)+V1\Y( -7R)X\ ZK )b/(=;U -R=L\Y GVR ,;c;7\ .)@(=;Y )KcFc\

-ZSGY( Mc;LY( . )7 =G: ZK )FVZY -Y)LR -V=G ]:@/Y)+ .)ZSGY( G)B^ [)G+# ;Lc ZK ZK ,=;U )bY ](;;Y( _

75 [)G+ ]:@/Y( T=G ]K -\> Y(c -=c=FY( -4Y)L\ZY [FR -R=L\ ZK [cD7ZY [\LY( ]\ ;>\+ [)VY( M=: ,=\c 2-'^Y( W)\@( R .)ZSGY( G)B^ [)G+ -Y)LR -Z@c ;\4/Y( =Rcc 2W)\@( R .)+V1\Y( G)B^ -20 ,=(=7 -4=; ;^K [) ,;\Y c -c'\ -4=; -35 ,=(=7 -4=; ;^K -K)@  ,;\Y .(;c@\\Y( HS7 ]cX Qc@ ;S/ (Fan 1998% .)+V1\Y)+ -D):Y( .)^)+Y( ] ]7 R (a :=U)VLY(c -c [c;4Y(% W)\@( R O. felinus Ic^Y( ]\ .)+V1\Y( G)B^ [)G+ .)K)@ ,;\Y -c'\ -4=; -40 ,=(=7 -4=; ;^K -VV7Y( R O. vevirrini Ic^ ]\ [SGY( =1!/ [Yc 2.)+V1\Y( ZK =1" ;\4/Y( -GV^ ;^K ]>:/Y( ] c;+c 2(. 2(Sithithaworn et al., 1991% J+)@  ,;\Y -c'\ .)4=;  ,=(=7 -4=; ;^K 7Z\ [cZ7\ R `^>:/ [/ )\;^K -\;:/@\Y( -4b^\Y( R .)R /: ( 24.5 [c;4Y( R ,=cX<\Y( *=)4/Y( R .H7cY /Y( ,=+XY( .)R /: ( ?XL/c 2(-=+/:\Y( .)^(c7Y( R -K)^GD ( Mc;LY( c -=D+Y( -V=GY(% .)+^<\Y( -c7 ==V/ )b+ [/ /Y( -V=GY( Rc

(% -\Y)LY( -7DY( -\H^\ ]\ Y( HS7Y( .(=/\(=)+ 24.5 Za92W&

H2;ZW& ,SaW& +XZJW& ;N-Z ZQEW& ;-Z&;') FQ5W& Kruatrachue et al.1982 -K)@  u.6 Opisthorchis 6Z\/Y( metacercariae ,=\:/\Y( W)\@( R Fan 1998 [)W u C. sinensis (]>cY( ?)@ ZK% )L+G -+)D\Y( W)\@( R

 Tesana et al. 1986 .)K)@  u O. viverrini (]>cY( ?)@ ZK% metacercariae ,=\:/\Y( W)\@( R  Fan 1998 )\c  [°-12 C. sinensis ;\4/Y( )L+G -+)D\Y( W)\@( R  Fan 1998 [)W z [°-20 C. sinensis )L+G -+)D\Y( W)\@( R

Recommendation,Ministry -K)@  [°-28 O. felinus of Health,USSR, 1990 )L+G -+)D\Y( W)\@( R -""- .)K)@ [°-40 W)\@( R O. felinus Fattakhov 1989 -K)@  [°-28 W)\@( R O. felinus .)K)@ [°-35 -""- ])/K)@ [ -""- °-40 2)\)\/ .+X/ [Y )b^XYc Hc7Z\ [XB+ -c7Y( .FS:^( 1 2)\c  ;L+ G)B^Y( [)G+# R GVR B\)a =1 W)^a ])Xc G)B^Y( [)G+# R =1  ,=BLY( [)Y ]X [Y 2 -20 -4=; ;^K [) -1 1 ,;\Y ]>:/Y( )\ 2-c'\ -4=; -20 -4=; ;^K [) -L+@ ;L+ -+)D\ ](='R ,=BK ZK .+)X =1  W)^a ]X [Y 3 2-+)D\Y( ](='SY( ZK -')\Y( R  -+@^+ .+)X =1 `Y ])XR [) -L+= ,;\Y ;\4/ ,;)K#c ;=+/ `+VL -c'\ -4=;

76 Protozoan

. [c;4Y( R ;=c 2])@^ Y );L\ ]cX Protozoan [SG ]\  Y(c7% ,=+X (;(;K ] Qc=L\Y( ]\ 2_)\Y( T=G ]K )@)@ [V/^/ /Y( .)ZSGY( _

I;c/@\Y( ]F)7Y( [@ ( . Za92W& .);1Y( ]\ )Kc^  ]\ =1X Cryptosporidium sp. -YcV^\Y( .)^c>c/=+Y( ])@^ ( Entamoeba histolytica _)\Y( T=G ]K ](c7Y(c ])@^ ( Giardia sp. ])@^ ( Cyclospora sp.

,=B)+\ ,=cD+ [V/^c _)\Y( Y# [SGY( ((=+ R .)ZSGY( _(=R# [/c c -Z `^ 07 =: Y# C:B ]\ =B)+\Y( ?\ZY)+ )F [V/^ ] ]X\c 2M=: .)Rc *)+

)=)/^@c; c [)b@# Y# )L\( R QS: [Y c E(=K ]c; -+)D ( ]\ Mc;LY( . )7 5c(=// ] ]X\c ;+ )\ )+Y)Oc 2(+\( E=\Y(% =bB ,;K -+)D ( =\/@/ ] ]X\c :>(=+Y( R [; ;c4c [;K c ;c4c J\ Uc ])1Oc ,;L\Y( R [ c [)b@# Y# _=cG/ [)\/7( J\ (>^cZS^)+ `+B E=\+ Cryptosporiasis E=\ ,;K ;L+ -Z/)U -+)D# Y# E(=K + -+)D# ]\ Giardia [SGY)+ -+)D ( . )7 5c(=// ] ]X\c 2\7c 2-HZPY( )L\( R ;)7Y( *L/Y( E(=K ]\ =bB

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X=\ 6+D/ Y)/Y)+c -K=@+ [X(=// ] ]X\ 2,)RcY(c [ZBY(c ,=X(

77 ZK )FVY( 0;(c7 ]K -Yc"@\ [c\@Y( _/\ [XB+ -Yc"@\ )b^ )\X J@(c T)G^ ZK -=7+Y( ,)7Y( =)7\Y( [\@/c :(PSP) [ZBZY *+@\Y( =)7\Y( [\@/ [\B/ /Y( -\)@Y( -=7+Y( *Y)7GY)+ G+/=/ -=7+Y( -Y( W)\@)+ G+/=\Y( '(Y( W)\@( ]\ [\@/Y( ] .)=)7\Y(c W)\@( ]+ )=D+ >\/Y( )F ]X\\Y( ]\ ?Yc 2bGY( T=G ]K )bG)B^ [)G+# [/ c ]:@/ZY TG)^\ T O#c -\)LY( -7DY( -)\7Y 4cYc+Y( [\@/Y( ;D= 3\(=+ ZK ](;Z+Y( [HL\ ;\/L/c 2-\)@Y( =Oc -\)@Y( R -D): c -K)^DY( =O ](;Z+Y( C: )\Rc 2-\@ .)=)7\ ;c4c ;^K c -\@Y( *Y)7GY( c\^/ )\;^K ;DY( 2.=\7( ;\Y( .)\@. *+@+ .)Rc ,;)K 0;7/c -^/c= ,=cD+ ,=)FY( *Y)7GY( c\^ ;D= [/ -S=Y( TG)^\Y(

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81 +a;VW& U'Z>& YZ>-

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84 I(Ahmed, 1991% Z )\X a [\@/Y( 0(;7# ZK ,=;VY( EL+ )bY /Y( -')\XY( .)1cZ\Y(c

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R cFLY( =cZXY( .)c/@\ ] Y# [1\Y)+ (  (Smith and Gangolli) CZ: :(=:"\ ;K E(=L/@( Rc )bY ]cX ] [\/7 /Y( .)c/@\Y( ]c; ]cX/ )\+=c -FS:^\ .)c/@\ \;( W b/@ Y -DD:\Y( W)\@( [bY [XB/ ]4 -=7+Y( -Y)+ -L+B\Y(

(Ahmed, 1991% ,;7/\Y( .) cY( R -=7+Y( -

85 /Y( -cFLY( =Oc -cFLY( .)c)\XY( ]\ -@c\Z\ .(>X=/+ -=7+Y( -c =cZXY( ;;L/\Y( [^S+Y( ]K -4/)^Y( -Z@)^/Y( =)1( I,=+X ,=cZX\Y( -^c+=Xc=;bY( .)R( .(;+\ EL+c ]@Xc;Y(c :=cZXY( ;;L/\Y( [^S+ZY ,=)/:\ .)b+)B\ ;cb4Y( ]@7/ ,=c=F Y# JR;/ ;U ,=cG: -1cZ\Y( -=7+Y( -4( R 0cZ/Y( ;c4c ]K -R)X .)\cZL\ ZK =Rc// -+U(=\Y(c ;D=ZY -Y)7Y( 3\(=+Y( • =)G: ( [V/ R ,=G: .)+cLD Y# M;" )\\ :,;=c/@\Y(c -Z7\Y( -=7+Y( -\Y( IZ )\X a -^4ZY -@'=Y( .)Dc/Y(

-=7+Y( -'+ZY 4cYc+Y(c ')\XY( 0cZ/Y( -^;/Y -Y)7Y( .)L=B/Y( E=R c >>L/ P+^ • \;( W b/@ ( ES:Y .) cY( .)L=B/c =U)VLY(c ->L/ P+^ • .(=7+Y( ]\ -/( I(c^( EL+ [1\% -+@^ ,=cD+ 0cZ/Y( .)c/@\ )bR JS/=/ /Y( -=7+Y( .)^')XZY M=: I(c^ c -\b@Y( W)\@(c :=cZXY( ;;L/\Y( [^S+Y( ]\ -Y)K .)c/@\ )b+ ;4c/ /Y(c \HLY( ([1\Y( T+'> .)c/@\ )bR JS/=/ -ZLSY( =)G:( ;;7/Y 0c7+Y( ]\ ;>\ (=4# -Z\K -ZK)R ,=cD+ [K;/ ] -Y(=;SY( . )XcZY P+^ • =)G:( _4X .) cY( Mc/@\ ZK ;(>/\ '+ ;D=+ [)VY( P+^ • *@)^/ 0cZ/Y(c -7DY( ]K .)\ZL/ =(;D#c JU(c\Y( T O# ]K -Yc"@\ .) cY( [H/ ] P+^ • ]\ ,;;7\ .)K)\4Y .)\cZL\ =;)D\c )a=O c -+)4^ ( =)G:( c -D):Y( -X b/@ ( .(;)LY( ]XZb/@\Y( T=G ]K ')\XY( 0cZ/ZY -^L\ =G):\ ]!B+ [)LY( QV1/ZY J@c\ 3\)^=+ W)^a ]cX ] P+^ • -7DY( ]b\Y(c -\cX7Y( . )XcY(

JFc\ .LFc ;U .)Dc/Y( EL+ ] J\ :(% -7Y)D (Ahmed, 1991% -^4ZY( ==V/ .)4)/^/@( [(>/ c ]K -Yc"@\ -\cX7Y( . )XcY( ;L/c ,=1X ](;Z+ `+ [cV/ .) cY( Mc/@\ ZK '+Y( [V/Y)R 2Z\LY( T+G/Y( ]^(cU ](;Z+Y( [HL\ M;Y ;4cc 2-')\XY( .)1cZ\Y)+ -G+/=\Y( =)G:( ,=(;#c ;DY( TG)^\ T O# .)Z\K .)c)\XY( _Z )\ ,;)Kc 2-K(=>Y( .)c)\XY( [(;:/@( Gc=B ;;7/ 6'(cYc R WY< ZK -Z1\ ;=/c 2.)+X=\Y( ]\ ;;LY McDU .)c/@\ .LFcc 2(-X\@Y( I=(>\Y(% 6+

polychlorinated dibenzofurans c polychlorinated dibenzo-p-dioxins (PCDD) [F .)+X=\Y( ]\ -'R W)^ac 2T)G^Y( J@(c [)\/a)+ (=:"\ Q^D/Y( (

86 -X\@Y( .)4/^\Y(c W)\@( R -4=7Y( ;c;7Y(c )b+ 5c\@\Y( ;c;7Y( 2-'+Y( -')\XY( .)1cZ\Y( . Za92W& 2( :=U)VLY(c -

McDVY( .)c/@\Y( +c=c( ;)7/ ( ,;7/\Y( .) cY( -'(4% ([Z+\Y( ]>cY( .)=BVY( :.)c:=Y( F 9^=>Y( .)c:=Y( :W)\@(  F. F [c\;)XY( .)c:=Y( :W)\@(  F   F  C)D=Y( W)\@( J\4     ]1\Y( T+'> W)\@( J\4   =cZXY( ;;L/\Y( [^S+Y( W)\@( J\4   DDT, TDE W)\@( J\4   ]=;;Y(   ]@Xc;Y( -K)^DY( .)Z\LY( R (/@c :.)^(c7Y(c W)\@Y -^a;Y( (>4( ]\ .)\(=OcX+ z ]\ _)DU )\c `+ 5c\@\ c ]\ [(=OcZX [XY \@Y( &R)X\Y(

]K +c=c( ;)7/ ( .)^)+ ]\ ,

]ca; [(=OA\@Y( &R)X\Y( ]\ [(=OcX+ -'(

   ])+Y( .)4/^\    [c7ZY( .)4/^\c [c7ZY(    ]4(c;Y( W)\@(     E+Y(    .c>Y(c ]ca;Y(    [ PY(c >+:Y(    

Allan Reilly +;E)W& ;S'TJW& 2.2.5 )7^ EL+ R ,=+X -;)D/U( =')@: Y# .; =)7\Y(c W)\@( E(=\ ]\ -S')G .=bH :-X\@Y( -K(=>Y( =cG/ J\ W)\@( R E(=\( -7R)X\Y Q1X\Y( 2)/^ ( [H^ R [)D\(c -=G+Y( =U)VLY( [(;:/@( ,;)> Y# (\Y( R -L')B ,=cD+ -c7Y( .(;)F\Y( [;:/@/c 2-Kc=>\Y( Aeromonas hydrophila,, WY< R )\+ W)\@( R -=/X+Y( .)F=\\Y( ]\ -Kc^/\ -Kc\4\

87 2Edwardsiella tarda, Pasteurella piscidida, Vibrio anguillarum, Vibrio salmonicida and Yersinia ruckeri 2_)\Y( R =1^/c ,)GP\ -'(\Y( R -\;:/@\Y( -c7Y( .(;)F\Y( ]\ -L@(c -S')G W)^ac .)K=4Y( -L^)DY( .)b4Y( ;;7/ :-c7Y( .(;)F\Y( [(;:/@( ZK -VR(c\Y( ;^Kc 2GESAMP, 1997; ACMSF, 1999 2-'+Y( ,=(=7Y( .)4=; _;;7/ F( [;L\Y( ]$R :,=(=7Y( ,=P/\ .)^(c7 W)\@( ] (=H^c 2*)7@^ ( .(=/Rc ,==V\Y( 2[cM-4=;  c)@/ -c'\ .)4=;  ,=(=7 -4=; ;^K [) ,=BK 1\ :-\c .)4=; [XB ZK *)7@^ ( .(=/R ;;7/c 2-L')B ,=cD+ -\;:/@\Y( -c7Y( .(;)F\Y( EL+ . [c;4Y( R ;=/c I(c^ R =bH/ -X\@Y( .)4/^\Y( R ,;;4 =G):\+ W)\@( -K(=> R -c7Y( .(;)F\Y( [(;:/@( G+/=c R ,;)F\Y( _\Y( W)\@( XZb/@\ Y# [V/^/ ;U /Y( )=/X+Y(

+a5W& ,&9'DZW& ,'QX8Z 1.2.2.5

]\ -FS:^\ .)c/@\ W b/@( ]!B+ [)K TZU =bH :- J\ ZK TZVY( =D/V c 2])@^ ( -7D ZK .)SZ:\Y( _\Y( .)4/^\ 2.)^(c7ZY -S1X\Y( -+=/Y( ]\ >4/ (>4 -c7Y(

]\ ,\Y( .( :-\Y)LY( -7DY( -\H^\% =U)VLZY -\c)V\ ])@^ ( [@4 R -F=\\Y(

88 -X\@Y( I=(>\Y( R -\;:/@\Y( -c7Y( .(;)F\ZY -Z1\ . Za92W&

,'TXJ-W& (V;ZW& +IaZ2ZW& T)G^Y( E=K G)B^ J\ )=/X+ZY -7+)X =D)^K SulphaimidineSulphamerazine Sulphonamides GU=\Y( ]c\Y)@Y(% ;^c\Y)@Y( R [)\c;Y( ;F Sulfadimethoxine1 (]c\Y)@Y(c  

 ]c\Z@Y(c ]c\Y)@Y( R E(=\ -4Y)L\Y [;:/@ Co-trimazine/Sulfatrim1,2,3 Potentiated Sulphonamide McL\Y( =\7( [SY(c -\)FY(c [)\c;Y(% GU=\Y( (combination of trimetho-prim and sulfadiazine) 2-X\@Y( -K(=>Y( R J@(c T)G^ ZK [(;:/@( Chlortetracycline Tetracyclines 2)+@^ C:=c -X\@ .)F=\\ ,;K ;F [)LR Oxytetracycline1,2,3,4 GU=\Y( ]c\Y)@Y(c ]c\Y)@Y( -K(=> R [;:/@ *^ (Betalactams) )+c=c R GU=\Y( 7>VY( Amoxycillin2,4    ])+)Y( R ?\(=+( W)\@ c [\ R [;:/@ Ciprofloxacin Quinolones )@ R ])+=( I=(>\ R [;:/@  )@ R ])+=( I=(>\ R [;:/@ Norfloxacin Oxolinic acid2,3,4 Perfloxacin  Flumequine3,4

cZXA[(=Oc=X\  +c=c( ;)7/ ( MRL Sarafloxacin2 W)\@( . FK ]\ [(=O R [;:/@ 2-c7Y( .(;)F\Y( -F=K -S')G  Nitrofurans `\(;:/@( J4B 2)@ R ])+=( I=(>\ ])G=@Y)+ -+)D ( [)\/7 Erthromycin4 Spiramycin Gentamycin Aminoglycosides ])@^ ( R )\^( *+@/ ;U -

89 [(;:/@ ( QA=Lc 2E(=\( 2 K Rc c\^ZY .)GB^\Xc -')Uc ,;)\X -X\@Y( I=(>\Y( R -c7Y( .(;)F\Y( [;:/@/c ])+=( I=(>\ R -L')B -@=)\\Y( _\ R J@(c T)G^ ZK -U(c ,;)\X -c7Y( .(;)F\Y( [(;:/@( Y# (2001 ZK ])+=Y -=)4/Y( Q K( [HL\ Mc/7/c -')\Y( Q K( ]\F ,;)K -c7Y( .(;)F\Y( GL/c 2(c@ ;7 ZK )@ .)GB^\X c -')Uc ,;)\X -c7Y( .(;)F\Y( [;:/@/ :WY< ]\ ?XLY( ZKc 2(Flaherty et al., 2000% -c7 .(;)F\ .(c^@Y( Rc 2(Alderman and Hastings, 1998% -Y)\BY( )X=\ c )+c=c R -Y;/L\Y( _)\Y)+ W)\@( I=(>\ R c\^ZY  Y(c7 ]\ 3c=^Y( R Ic=>\Y( ]c\Y)@Y( -K)^D R ,=+X -4=;+ -c7Y( .(;)F\Y( [(;:/@( ES:^( ,=:( [)D\ [(;:/@(c =cG/ R 5)4^Y( Y# ,=+X -4=;+ (Lc 2(  [XBY(% )c^@ ;7(c ]G ]\ [U Y# ]G 2(Alderman and Hastings, 1998% W)\@Y -@'=Y( -F=\\Y( .)^')XZY ,;)F\

. ZV@W& ]c\Y)@Y( 2)/^( R ,;)>Y( R CV^Y(c Ic=>\Y( S-7 -c7Y( .(;)F\Y( [(;:/@( V=7?1-7 ]\ ,=/SY( R 3c=^Y( R W&0'-\& ['\E')9+a5W&,&9'DZW&Y&98->&  

,&a\>W&

2Ic=>\Y( ])+=Y -+@^Y)+ TV7// [Y )b/(< 5)4^Y( -DU ]$R :-S^K>Y( W)\@Y [)D\ 0(;7/@( [/ ]7 Rc )V++ 6\@/ ])+=( M;Y K)^\Y( >)b4Y( -L+G ] ])+=( -K(=> R ;c;7\ T)G^ ZK [;:/@/ [)D\)R -4/^\Y( ](;Z+Y( EL+ R -c7Y( .(;)F\Y( [(;:/@(c J+ ZK ,;c;7\ -+)U= W)^ac 2-ZcG ,=/SY -U(cY( ,;)\Y( ])+=( R -c7Y( .(;)F\Y( .)SZ:\ ;c4c M; c 2-4=):Y( T(c@( R [X)B\ Y# (\Y( [)^/Rc ]DY( ]\ -\;)VY( Ic=>\Y( ])+=( .)^7B J\4 =)+/:( *ZG/ (;;4 )L=B/ +c=c( ;)7/ ( [:; 2(b,c  -+c=c( -FcS\Y(% [cX^S\ =cZXY( .)SZ:\Y -+@^Y)+ )@^c;^#c

+)a;VZW& ,&9'DZW& +Za'TZ ###

]\ -Kc\4\ E=L// )\;^K `^ 07 2-c7Y( .(;)F\ZY -+@^Y)+ -K)^\Y( )=/X+Y( )b+ *@/X/ ,=1X T=G W)^a [ZU -Kc\4\Y( _\ )bY _

.)\c>c\c=XY( J\ )=/X+Y( _>=S/ 

90 .)^F)7Y( [c>c\c=X Y# cc^Y( E\7Y( [V^+ )=/X+Y( [b/Z\ [cV 07 :[c7/Y( T=G ]K • .(;\> +Y( ZK .)^4Y( [\7/ 07c ) :Y( ]+ ,=B)+\ ,=cD+ [)V/^ ( [/ 07 ](=/U ( T=G ]K • 2-^(=/U ( . U)^Y( c 2)=/X+Y( ]+ -c7Y( .(;)F\ZY -\c)V\Y( .)^4Y( [)V/^( )b+ 0;7 /Y( -@'=Y( -V=GY( ca ](=/U ( ] ;V/Lc -c7Y( .(;)F\Y( ]\ ;;LZY -\c)V\Y( ,=SB WR )b^X\ ,=+X .(;\> + -=B+Y( .)F=\\Y( R ;4c ;VR 2Salmonella Typhimurium DT 104 [1\ -SZ/:\Y( R -X\@Y( -K(=>Y( R .)+c=X\ZY ,;)F\ =D)^K [(;:/@( ;L+ -+c=X\Y( .(;)F\ZY -\c)V\Y( =cbH ]+/ ;Uc [/ :[)1\Y( [+@ ZKc (Midvedt and Lingass, 1992 ; :-\Y)LY( -7DY( -\H^\% W)\@( .)F=\\ WY< R )\+ -=/X+Y( -X\@Y( .)F=\\Y( ]\ ;;K R -+c=X\Y( .(;)F\ZY [c)V\Y( ;\> +Y( ;;7/ Aeromonas salmonicida, A. hydrophila, Vibrio anguillarum, Pseudomonas fluorescens, Pasteurella G /piscicida, Edwardsiella tarda (Aoki, 1988) and Yersinia ruckeri (DeGrandis and Stevenson, 1985) ;^)^cSZ@Y(c [cX^S\ =cZXZY -\c)V\Y( ,=SB [4=// /Y( A. salmonicida R [)V/^ Y -Z+)VY( R , .(;\> +Y( .;4cc R ]ZX@(=//Y( c Ac ]=+c/\=/Y(c ]@)\c^/X+@ (c ]@\c/=+/@ (c ;\)^cSZ@Y( ]\ -SYc/Yc :])+)Y( R ]@\c/+=/@ (c ]\ A Salmonicida )=/X+ ]\ )Kc^  R [)V/^ Y -Z+)VY( R,.(;\> +Y( .;4c :(;^Z/X@( Rc :(Aoki,1997% (;^Y= ZK ,=;)VY( -\c)V\Y( _\ R .)+c=X\ZY ,;)F\ =D)^K [(;:/@( ;L+ -X\@Y( .)F=\\Y( R -+c=X\Y( .(;)F\ZY -\c)V\

W)\@( )=/X+ R -\c)V\ =cbH Y# )F M;" -X\@Y( -K(=>Y( R .)+c=X\ZY ,;)F\Y( =D)^LY( [(;:/@( ]# W)\@( )bZX!/ /Y(c =U)VLY)+ -GcZ:\Y( Q K)R 2-X\@Y( I=(>\Y( ]\ -+=VY( .)+@=/Y( Rc -Z7\Y( -'+Y( R Q K( R -+c=X\Y( .(;)F\Y( EL+ ]$R :WY< ]K FRc 2C)SU( I)U T=G ]K c W=+Y( I)U Y# G+b/ =O Q K( ] )\X 2-Z7\Y( -'+Y( R 0c= [XB ZK >=S/ Qc@ W)\@( )bXZb/@/ /Y(c =U)VLY)+ -GcZ:\Y( ]K ( % ]c=:c Samuelson ;)R ;Uc 2-X\@Y( -K=>\Y( ]\ *=VY)+ M=: W)\@ )bXZb/@/ ] ]X\ -YcX!\Y( -4c=^Y( -X\@Y( I=(>\Y( M;7# R =7+Y( 6Z+c .)^)G=@Y(c -=+Y( W)\@( R ]Z@Xc ( E\7 .)SZ:\ ;c4c *@(c=Y( R ]ZX@(=//@Xc ( ;c4c ]K ]SY"\Y( ]\ ;;K ;)R c 2-V7 Y( -4Y)L\Y( ]\ )\c  Y# [D/ ,=/R ;L+ 2(Coyne et al., 1994; Bjorklund et al., 1991; Samuelson et al.,1992a% ]c\Y)@Y( I=(>\ ]\ *=VY)+

R .(;)F\Y( _Y( -\c)V\Y( )=/X+Y( ]\  [)K -+c^4Y( )X=\ R (=YcXY( )+c R .++@/ /Y( Vibrio cholerae O1 )=/X+Y( -Y @ .^)Xc .;4cc 2(Weber et al., 1994% ])+=( I=(>\ R ]cZ\L C):B ]+ =c;(cX# R )+cY( (\Y( ])+=(c -Kc=>\Y( W)\@( R ,;c4c\Y( )=/X+Y(c 2(Weber et al., 1994% V. cholera O1 )=/X+Y( ]\ Vibrio parahaemolyticus )=/X+ ;L/c 2;L+ )\R [X"/ -\LG Y# )=/X+Y( _\ W)\@ ]\ ^c\Y)@Y( ]\ I(c^ [>K [/ ;Uc :])+)Y( R -\ ])+= c (=G: )F=\ *+@/ ] ]X\c W)\@( L')+ M;Y 5c=4Y( 0cZ/+ :Vibrio vulnificus c iniae .(;)F\ZY -\c)V\Y( )=/X+Y( [)V/^ =: =)@\ W)^ac 2(Weinstein et al., 1997; Bisharat and Raz, 1996% -\c)V\Y( ]\ . @ [>K [/ ;VR 2]>/Y( W)\@ T=G ]K WY/Y( W)\@ ]\ ,;;L/\ =U)VLY .)^(c7Y( 0c= [(;:/@( [/ 07 )@ ]\ TG)^\ R .)^(c7Y(c ]4(c;Y(c W)\@Y -Z\)X/\Y( 2)/^ ( [H^ R -K)^\ZY

91 ZK ;DU ]c; -X\@Y( I=(>\Y( Y# [D/ .)^(c7Y(c ]4(c;ZY GL/ /Y( -c7Y( .(;)F\Y)R 2-X\@Y( W=+ZY ,;\@!X 2-K)^\Y( *)@/X( ZK ;K)@ )')V/^( )GPF *+@ )\\ [c+c 0c= [XB

+5P'VZW& ,'2-&;->& 3.2.5

-\c)V\ Y# M;" -X\@Y( I=(>\Y( R -c7Y( .(;)F\Y( [(;:/@( ] R WBY( ]\ =;U W)^a ]cX ] ]X\ ;X"\Y( ]\c 2-X\@Y( I=(>\Y)+ -G7\Y( -'+Y( Rc -Kc=>\Y( W)\@( R )=/X+Y( ]+ -+c=X\Y( .(;)F\Y( ] ]X\ /Y( -\c)V\Y( [1(=4Y( ]\ I(c^ =cbH Y# .; .)^(c7ZY GL/ /Y( -c7Y( .(;)F\Y( ] )\)\/ =O .)SZ:\ ;c4c ]K ==)V/ .;=c ;VR :(\Y( .)4/^\ R -^c^)U

] [>Zc 2W)\@( -K(=>Y ,;4Y( .)@=)\\ZY [b@ [;+X T G ( ZK -c7Y( .(;)F\Y( [;:/@/ P+^c P+^c 2-X\@Y( I=(>\Y( 2)/^# R -+c=X\Y( .(;)F\Y( .)SZ:\+ -D): -7R)X\ZY 3\(=+ .)\cX7Y( M;Y ]cX/ I=(>\Y( R )b\(;:/@(c )bL+ -+U(=\c -+c=X\Y( .(;)F\Y( C:=/ c ;)\/K( -+U(=\ _

-@)@7 )=/X+Y( _:/Y(c M=:( -

(Hans Henrik Huss% +9'ZW& ;'E8& .

/Y( -+=PY( ;(c\Y(c 2,=F\ ]cX/ ] ]X\c -Y( [1\% -'(

] )KcB =1X( ]XZb/@\Y( Mc)XB ]+ ]\ ;L/ )b^$R :,=G: )7c=4 *+@/ )\ (=;)^ -;)\Y( =)G:( ] J\c 2=G:Y( =;D\ ;;7/ )+Y)O [b@c =cSY( ZK _;L+ c ,=B)+\ [X( )^1 0;7/ -+)D (

IZ )\ -;)\Y( =)G:( -7R)X\ =+(;/ [\B/ ] ]X\c I-^;L\Y( [)@4Y -+@^Y)+ • ,;cVS\ c -SY)/ (>4 ]K )17+ .(;L\Y( J\4Y -=c;Y( -^)L\Y( [DSY( .(;L\ c ];)L\Y( ]K QBXY( .(;L\ [ : ]\ 3/^\Y( ==\/ I-^;L\Y( =O [)@4Y -+@^Y)+ • -^@Y( -LB)+ QBXZY >)b4 [ : ]\ 3/^\Y( ==\/

92 .H2&;ZW&

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