(a) Specifications. Type A medicated articles containing:
(1) 35 grams (g) per pound (/lb) each, chlortetracycline and sulfamethazine.
(2) 40 g/lb each, chlortetracycline and sulfamethazine.
(b) Sponsors. See sponsors numbers in Sec. 510.600(c) of this chapter as follow:
(1) Nos. 054771 and 069254 for use of product described in paragraph (a)(1) as in paragraph (d)(1) of this section.
(2) No. 054771 for use of product described in paragraph (a)(2) as in paragraph (d)(2) of this section.
(c) Related tolerances. See Sec. Sec. 556.150 and 556.670 of this chapter.
(d) Conditions of use--(1) Cattle. It is used in feed for beef cattle as follows:
(1) Cattle. It is used in feed for beef cattle as follows:
(i) Amount. 350 milligrams per head per day each, chlortetracycline and sulfamethazine.
(ii) Indications for use. Aid in the maintenance of weight gains in the presence of respiratory disease such as shipping fever.
(iii) Limitations. Feed for 28 days; withdraw 7 days prior to slaughter. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal.
(2) Swine. It is used in swine feed as follows:
(i) Amount. 100 g/ton each, chlortetracycline and sulfamethazine.
(ii) Indications for use. For reduction of the incidence of cervical abscesses; treatment of bacterial swine enteritis (salmonellosis or necrotic enteritis caused by Salmonella choleraesuis and vibrionic dysentery); prevention of these diseases during times of stress; and maintenance of weight gains in the presence of atrophic rhinitis.
(iii) Limitations. Feed as the sole ration. Withdraw 15 days prior to slaughter. [79 FR 37622, July 2, 2014, as amended at 80 FR 13231, Mar. 13, 2015]