![]() |
Code of Federal Regulations (Last Updated: July 5, 2024) |
![]() |
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 |
![]() |
Part 520 - Oral Dosage Form New Animal Drugs |
§ 520.2200b - Sulfachlorpyridazine powder.
-
(a)
Specifications . Sodium sulfachlorpyridazine powder.(b)
Sponsor . See No. 053501 in § 510.600(c) of this chapter.(c)
Related tolerances . See § 556.630 of this chapter.(d)
Conditions of use . It is used as follows:(1)
Calves —(i)Amount . Administer 30 to 45 milligrams per pound (mg/lb) body weight per day in milk or milk replacer for 1 to 5 days in 2 divided doses twice daily.(ii)
Indications for use . For the treatment of diarrhea caused or complicated byE .coli (colibacillosis).(iii)
Limitations . Treated, ruminating calves must not be slaughtered for food during treatment or for 7 days after the last treatment. A withdrawal period has not been established for this product in preruminating calves. Do not use in calves to be processed for veal.(2)
Swine —(i)Amount . Administer 20 to 35 mg/lb body weight per day for 1 to 5 days in 2 divided doses twice daily:(A) In drinking water; or
(B) For individual treatment, in an oral suspension containing approximately 42 mg sulfachlorpyridazine per milliliter in divided doses twice daily.
(ii)
Indications for use . For the treatment of diarrhea caused or complicated byE .coli (colibacillosis).(iii)
Limitations . Treated swine must not be slaughtered for food during treatment or for 4 days after the last treatment.