FORTY-NINTH ANNUAL MEETING of the UNITED STATES LIVESTOCK SANITARY ASSOCIATION RECENED * JUL 25 1946 HOTEL LA SALLE Chicago, Illinois December 5, 6, 7, 1945 c FORTY-NINTH ANNUAL MEETING of the UNITED STATES LIVESTOCK SANITARY ASSOCIATION HOTEL LA SALLE Chicago, Illinois December 5, 6, 7, 1945 i COPYRIGHT1946 BY UNITEDSTATES LIVESTOCK SANITARYASSOCIATION COMPOSEDAND PRINTEDBY WAVERLY PRESS, INC. BALTIMORE,MD., U. S. A. CONTENTS Address of the President ...................................................... 1 The United States Bureau of Animal Industry . By B .T . Simms................ 5 The Public Health Veterinarian . By James H .Steele .......................... 6 Memorial Service ............................................................. 15 Report of Advisory Committee on Anaplasmosis . By W .H . Boynton ........... 17 Discussion of Rcport of Advisory Committee on Anaplasmosis . By Hubert Schmidt .................................................................. 22 Report of Special Committee on Community Auction Sales. By C . E . Fidler .... 23 Report of Committee on Laws and Regulations . By J . R . Snyder ............... 25 Wartime Activities of the Federal Meat Inspection Service. By A . R . Miller ..... 26 The Genesis of Bovine Udder Infection and Mastitis . Paper Number 1. The Incidence of Streptococcal and Staphylococcal Infection in Relation to Pre- disposing Factors . By James M . Murphy ................................. 30 Report of Committee on Meat and Milk Hygiene. By M . 0. Barnes ............ 44 The Response of Induced and Natural Eimeria Tenella Infections to Sulfa- guanidine . By K . C . Seeger .............................................. 45 Newcastle Disease in New Jersey . By F .R .Beaudette and James J . Black ...... 49 Some Aspects of Federal Poultry Inspection . By P .J .Brandly ................. 59 Report of the Committee on Transmissible Diseases of Poultry . By Erwin Jungherr ................................................................. 65 Diagnostic Procedure for Newcastle Disease ................................. 69 Report of thc Committee on Legislation. By William J . Miller ................. 72 Some Wartime Developments in Livestock Parasite Control . By Benjamin Schwartz ................................................................ 73 Report of Committee on Parasitic Diseases . By R .E .Rebrassicr .............. 83 Pitch Poisoning in Swine . By R . Fenstermacher, B . S. Pomeroy and H . C . H . Kernkamp .............................................................. 56 Swine Erysipelas . By C . C . Morrill .......................................... 92 Report of Committee on Transmissible Diseases of Swine . By €1 . C . H . Kernkamp ................................................................ 98 Experimental and Field Studies of Canine Rabies Vaccination . By Harald PIT . Johnson ................................................................. 99 Rabies Control Programs in Maryland . By A . L . Brueckner ................... 108 Report of the Committee on Rabies . By H .W . Schoening ...................... 112 Report of tbc Auditing Committee. By C . C . Franks .......................... 120 Progress and Status of Cooperative Tuberculosis Eradication among Livestock . By A .E .Wight ........................................................ 121 A Study of the Results of Retests on Tuberculin Reactors . By Alexander Zeissig . 126 The Johne’s Disease Problem and Relation of Johne’s Disease to the Tubercu- losis No Visible Lesion Problem . By H .W .Johnson ..................... 137 Report of Committee on Tuberculosis . By W. A .Hagan ..................... 142 Communicable Animal Disease Problems Encountered in Itdy. By Rowland W . Rushmore ........................................................... 145 Observations on the Natural History of Western Equine Encephalomyelitis . By W. C . Reeves ......................................................... 150 Discussion . By M . S. Shshan ................................................ 159 iii iv CONTENTS Report of Committee on Miscellaneous Transmissible Diseases . By C . R . Schroeder............................................................. 161 Report of Committee on Resolutions . By J . V. Knapp ......................... 167 Report of Committee on Policy . By W . J . Butler .............................. 169 The Present Status of Bureau Control of Brucella Vaccine and Antigen Produc- tion . By A . B . Crawford, W . A . Anderson and E . L .Love .................. 170 Data Related to Extent of Post-Vaccination Agglutination Reaction in Calves- The New York Plan of Control of Brucellosis . By Asa Winters ........... 175 Status of Cooperative Bovine Brucellosis Work in the United States. By A . E . Wight ................................................................. 182 The Control and Eradication of Brucellosis in Animals from the Standpoint of Human Health ..By C . F . Jordon ...................................... 185 A Vaccination Program for the Control of Swine Brucellosis. By G . C . Holm, W . B .Ardrey and W .M . Beeso ........................................... 191 Report of the Committee on Brucellosis . By R .W . Smith ...................... 197 Representative to Inter-Association Council on Animal Disease and Produc- tion . By R . A .Hendershott .............................................. 201 Report of the Nominating Committee-By R . W. Smith ....................... 205 OFFICERS AND COMMITTEES-1946 PRESIDENT WILLIAMMOORE. ...................................... .Raleigh, North Carolina VICE-PRESIDENTS WILL J. MILLER,First Vice-president. .......................... Topeka, Kansas J. V. KNAPP,Second Vice-president. ....................... Tallahassee, Florida T. 0. BRANDENBURG,Third Vice-President ..............Bismarck, North Dakota SECRETARY-TREASURER R. A. HENDERSHOTT........................................ .Trenton, New Jersey COMMITTEE ON LAWS AND REGULATIONS T. 0. BRANDENBURG,Chairman, Bismarck, North Dakota J. R. SNYDER,Lincoln, Nebraska J. V. KNAPP,Tallahassee, Florida C. P. BISHOP,Harrisburg, Pennsylvania C. T. CONKLIN,Brandon, Vermont W. J. BUTLER,Helena, Montana I. G. HOWE,Albany, New York C. C. FRANKS,Des Moines, Iowa F. E. MOLLIN,Denver, Colorado T. C. GREEN,Charleston, West Virginia A. K. CARR,Alhambra, California E. L. PETERSON,Salem, Oregon COMMITTEE ON LEGISLATION WILL J. MILLER,Chaimn, Topeka, Kansas WILLIAMMOORE, Raleigh, North J. S. CAMPBELL,Little Rock, Arkansas Carolina R. A. HENDERSHOTT,Trenton, New W. J. BUTLER,Helena, Montana Jersey T. 0.BRANDENBURG, Bismarck, North B. T. SIMYS,Washington, D. C. Dakota COMMITTEE ON POLICY W. J. BUTLER,Chuirman, Helena, Montana I. S. MCADORY,Auburn, Alabama W. A. HAGAN,Ithaca, New York H. C. GIVENS,Richmond, Virginia R. W. SMITE,Concord, New Hampshire J. G. HARDENBERGH,Chicago, Illinois V. S. LARSON,Madison, Wisconsin COMMITTEE ON TRANSMISSIBLE DISEASES OF SWINE H. C. H. KERNKAMP,Chairmun, St. Paul, Minnesota FRANKBREED, Lincoln, Nebraska R. FENSTERMACHEB,St. Paul, Minnesota C. E. FIDLER,Springfield, Illinois' H. C. SIBXMONS,Jackson, Mississippi L. P. DOYLE,Lafayette, Indiana C. D. RAY,Omaha, Nebraska C. C. FRANKS,Des Moines, Iowa COMMITTEE ON BIOLOGICS MARKWELSH, Chairman, Pearl River, N. Y. DR. R. A. MAYS,Columbia, South D. I. SKIDYOBE,Washington, D. C. Carolina A. H. QUINN,Kansas City, Missouri G. E. BOTKIN,Indianapolis, Indiana J. M. BELTON,Salem, Oregon J. SCEINEIDER, Glenolden, Pennsylvania J. R. SNYDIR, Lincoln, Nebraska V vi OFFICERS AND COMMITTEES COMMITTEE ON RESOLUTIONS J. V. KNAPP,Chairman, Tallahassee, Florida DANANDERSON, Fort Worth, Texas H. A. TRIPPEER,Olympia, Washington R. S. ROBINBON,Pierre, South Dakota D. M. CAMPBELL,Chicago, Illinois W. B. EARL,Reno, Nevada COMMITTEE ON RABIES H. W. SCHODNINQ,Chairman, Washington, D. C. A. L. BRUECKNBF,Baltimore, Maryland H. N. JOHNSON,Princeton, New Jersey C. E. KORD,Nashville, Tennessee R. A. HENDERSHOTT,Trenton, N. J. I. G. HOWE,Albany, New York C. W.BOWER, Topeka, Kansas COMMITTEE ON BRUCELLOSIS R. W. Smm, Chairman,Concord, New Hampshire RALPHWEST, St. Paul, Minnesota A. E. WIQET,Washington, D. C. C. R. DONEAM,Lafayette, Indians HUQHCURRY, Jefferson City, Missouri A. J. GLOVER,Fort Atkinson, Wisconsin E. V. MOORE,Cortland, New York C. M. HARING,Berkeley, California . H. C. GIVENS, Richmond, Virginia COMMITTEE ON TRANSMISSIBLE DISEASES OF POULTRY ERWINJUNGHERR, Chairman, Storrs, Connecticut F. R. BEAF~TTE,New Brunswick, N. J. A. J. DURANT,Columbia, Missouri J. P. DELAPLANE,Providence, Rhode CHAS. CUNNINQHAM,East Lansing, Island Michigan W. R. HINSHAW,Davis, California J. R. BIJACH,Berkeley, California T. 0.BRANDENBURG, Bismarck, North Dakota COMMITTEE ON TUBERCULOSIS W.A. HAGAN,Chairmun, Ithaca, New York WILLIAMFELDMAN, Rochester, Minnesota C. E. FIDLER,Springfield, Illinois J. TRAUM,Berkeley, California R. M. Gow, Denver, Colorado A. E. WIGHT,Washington, D. C. V. S. LARSEN,Madison, Wisconsin H.PIERCE, Boston, Mrtssachuaetts COMMITTEE ON PARASITIC DISEASES BENJAMIN ~ARTZ,Chairman, Washington, D. C. R. E. REBRASSIER,Columbus, Ohio D. F. EVELETH,Fargo, North Dakota J. E. ACKERT,Manhattan, Kansas P. A. HAWKINS, East Lansing, Michigan W. J. BUTLBR,Helena, Montana COMMITTEE ON MEAT AND MILK HYGIENE W.L. BOYD,Chairman, St. Paul, Minnesota J. S. KOEN,Storm Lake, Iowa A. F. SCHALK,Columbus, Ohio JOHNR. MOELER,Washington, D. C. E. H. WILLERS,Honolulu, T. H. M. BARKER,Ottawa, Ontario, Canada OFFICERS AND COMMITTEES vii ADVISORY COMMITTEE ON ANAPLASMOSIS H. SCHMIDT, Chai-n, College Station, Texas I. S. MCADORY,Auburn,