§ 558.579 - Sulfaethoxypyridazine.

(a) Approvals. Type A medicated articles: 5.5 percent for swine, and 5.5 and 11 percent for cattle to 010042 in § 510.600(c) of this chapter.

(b) Related tolerances. See § 556.650 of this chapter.

(c) Conditions of use. It is used in animal feed as follows:

(1) Swine—(i) Amount. 25 milligrams per pound body weight per day.

(ii) Indications for use. For treatment of bacterial scours, pneumonia, enteritis, bronchitis, septicemia accompanying Salmonella choleraesuis infection.

(iii) Limitations. Administer 1,000 grams per ton (0.11 percent) for not less than 4 days nor more than 10 days; do not treat within 10 days of slaughter; as sole source of sulfonamide; for use by or on the order of a licensed veterinarian.

(2) Cattle—(i) Amount. 25 milligrams per pound body weight per day.

(ii) Indications for use. For treatment of respiratory infections (pneumonia, shipping fever), foot rot, calf scours; as adjunctive therapy in septicemia accompanying mastitis and metritis.

(iii) Limitations. Administer as a top dressing or in mixed feed for 4 days; do not treat within 16 days of slaughter; as sole source of sulfonamide; milk that has been taken from animals during treatment and for 72 hours (6 milkings) after the latest treatment must not be used for food; for use by or on the order of a licensed veterinarian.