§ 520.2220d Sulfadimethoxine bolus.
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Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
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Specifications.(a) Each bolus contains 2.5, 5, or 15 grams sulfadimethoxine.
Sponsor.(b) See No. 054771 in § 510.600(c) of this chapter.
Related tolerances.(c) See § 556.640 of this chapter.
Conditions of use in cattleAmount.(d) —(1) Administer 2.5 grams per 100 pounds body weight for 1 day followed by 1.25 grams per 100 pounds body weight per day; treat for 4 to 5 days.
Indications for use.PasteurellaFusobacterium necrophorum(2) For the treatment of shipping fever complex and bacterial pneumonia associated with spp. sensitive to sulfadimethoxine; and calf diphtheria and foot rot associated with sensitive to sulfadimethoxine.
Limitations.(3) Do not administer within 7 days of slaughter. Milk that has been taken from animals during treatment and 60 hours (five milkings) after the latest treatment must not be used for food. A withdrawal period has not been established for this product in preruminating calves. Do not use in calves to be processed for veal. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
[79 FR 28829, May 20, 2014, as amended at 88 FR 16547, Mar. 20, 2023]
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