21 C.F.R. § 558.582

Current through October 31, 2024
Section 558.582 - Sulfamerazine
(a)Specifications. Type A medicated articles containing 99 percent sulfamerazine.
(b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.
(c)Related tolerances. See § 556.660 of this chapter.
(d)Special considerations.
(1) Federal law restricts medicated feed containing this veterinary feed directive (VFD) drug to use by or on the order of a licensed veterinarian. See § 558.6 for additional requirements.
(2) The expiration date of VFDs for sulfamerazine medicated feeds must not exceed 6 months from the date of issuance. VFDs for sulfamerazine shall not be refilled.
(e)Conditions of use. It is used in fish feed for as follows:

Sulfamerazine
grams/ton
Combination in
grams/ton
Indications for use Limitations Sponsor
(1) To deliver 10 grams of sulfamerazine per 100 pounds of fish per dayRainbow trout, brook trout, and brown trout: For control of furunculosisFormulate to deliver 10 grams of sulfamerazine per 100 pounds of fish per day. Treat for not more than 14 days. Do not treat within 3 weeks of marketing or stocking in stream open to fishing054771
(2) [Reserved]

21 C.F.R. §558.582

81 FR 95013 , Dec. 27, 2016
81 FR 95013, 12/27/2016