Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · CFR · Title 21 — Food and Drugs · Part 558 — New Animal Drugs for Use in Animal Feeds · § 558.582

§ 558.582. Sulfamerazine.

180 words·~1 min read·/us/cfr/t21/s§ 558.582·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(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] [81 FR 95013, Dec. 27, 2016]
Connections2 cite this
Citation graph
cites case law
§ 558.582
Sulfamerazine.
Fed. Reg.×2
Cites 0Cited by 2 across 1 source
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.