Food and Drug Administration, HHS § 558.175

(v) Hygromycin B as in § 558.274. (2) 40 grams of chlortetracycline per (vi) Laidlomycin as in § 558.305. pound, 8.8 percent of sulfamethazine, (vii) Lasalocid as in § 558.311. and penicillin procaine equivalent in (viii) Monensin as in § 558.355. activity to 20 grams of penicillin per (ix) Robenidine as in § 558.515. pound to Nos. 048164 and 054771 in (x) Salinomycin as in § 558.550. § 510.600(c) of this chapter. (xi) Tiamulin as in § 558.600. (b) Specifications. (1) The antibiotic [41 FR 10995, Mar. 15, 1976] substance refers to the antibiotic or feed-grade antibiotic. EDITORIAL NOTE: For FEDERAL REGISTER ci- (2) The antibiotic activities are ex- tations affecting § 558.128, see the List of CFR Sections Affected, which appears in the pressed in terms of the appropriate an- Finding Aids section of the printed volume tibiotic standards. and at www.fdsys.gov. (3) Type C medicated feed contains in each ton, 100 grams of chlortetra- § 558.140 Chlortetracycline and cycline, 50 grams of penicillin as pro- sulfamethazine. caine penicillin, and 100 grams of (a) Approvals. Type A medicated arti- sulfamethazine. cles: 35 grams of chlortetracycline per (c) Related tolerances. See §§ 556.150, pound with 7.7 percent (35 grams) of 556.510, and 556.670 of this chapter. sulfamethazine to Nos. 054771 and 048164 (d) Conditions of use. (1) It is adminis- in § 510.600(c) of this chapter. tered to swine in a Type C feed for re- (b) Related tolerances. See §§ 556.150 duction of the incidence of cervical ab- and 556.670 of this chapter. scesses; treatment of bacterial swine (c) It is used in feed for beef cattle as enteritis (salmonellosis or necrotic en- follows: teritis caused by Salmonella choleraesuis (1) Amount per head per day. Chlor- and vibrionic dysentery); prevention of tetracycline, 350 milligrams plus these diseases during times of stress; sulfamethazine, 350 milligrams. maintenance of weight gains in the (2) Indications for use. Aid in the presence of atrophic rhinitis; growth maintenance of weight gains in the promotion and increased feed effi- presence of respiratory disease such as ciency in swine weighing up to 75 shipping fever. pounds. (3) Limitations. Feed for 28 days, with- (2) Withdraw 15 days prior to slaugh- draw 7 days prior to slaughter. A with- ter. drawal period has not been established for this product in pre-ruminating [40 FR 13959, Mar. 27, 1975, as amended at 43 calves. Do not use in calves to be proc- FR 19385, May 5, 1978; 47 FR 39814, Sept. 10, 1982; 48 FR 30615, July 5, 1983; 51 FR 7396, essed for veal. Mar. 3, 1986; 52 FR 2684, Jan. 26, 1987; 56 FR [61 FR 35954, July 9, 1996, as amended at 64 14019, Apr. 5, 1991; 61 FR 18082, Apr. 24, 1996; FR 15684, Apr. 1, 1999; 66 FR 46706, Sept. 7, 62 FR 14300, Mar. 26, 1997; 63 FR 27845, May 21, 2001; 68 FR 22294, Apr. 28, 2003; 69 FR 62407, 1998; 66 FR 46706, Sept. 7, 2001; 68 FR 47237, Oct. 26, 2004; 79 FR 13544, Mar. 11, 2014] Aug. 8, 2003; 69 FR 62407, Oct. 26, 2004; 79 FR 13544, Mar. 11, 2014] § 558.145 Chlortetracycline, procaine penicillin, and sulfamethazine. § 558.175 Clopidol. (a) Approvals. Type A medicated arti- (a) Specifications. Type A medicated cles: (1) 20 grams of chlortetracycline article containing 25 percent clopidol. per pound, 4.4 percent (20 grams) of (b) Approvals. See No. 016592 in sulfamethazine, and procaine penicillin § 510.600(c) of this chapter. equivalent in activity to 10 grams of (c) [Reserved] penicillin per pound to 054771 in (d) Conditions of use. It is used as fol- § 510.600(c) of this chapter. lows:

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