CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS (parts 500 to 590) > PART 558—NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS > SUBPART B—Specific New Animal Drugs for Use in Animal Feeds (§558.55 to §558.680) > 558.140—Chlortetracycline and sulfamethazine.

558.140—Chlortetracycline and sulfamethazine.

(a) Approvals. Type A medicated articles: 35 grams of chlortetracycline per pound with 7.7 percent (35 grams) of sulfamethazine to Nos. 046573 and 048164 in § 510.600(c) of this chapter.
(b) Related tolerances. See §§ 556.150 and 556.670 of this chapter.
(c) It is used in feed for beef cattle as follows:
(1) Amount per head per day. Chlortetracycline, 350 milligrams plus sulfamethazine, 350 milligrams.
(2) Indications for use. Aid in the maintenance of weight gains in the presence of respiratory disease such as shipping fever.
(3) Limitations. Feed for 28 days; withdraw 7 days prior to slaughter.

Code of Federal Regulations

[61 FR 35954, July 9, 1996, as amended at 64 FR 15684, Apr. 1, 1999; 66 FR 46706, Sept. 7, 2001; 68 FR 22294, Apr. 28, 2003; 69 FR 62407, Oct. 26, 2004]