Skip to main content
Find a Lawyer

Code of Federal Regulations Title 21. Food and Drugs § 21.558.555 Semduramicin

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Specifications. Type A medicated article containing:

(1) 22.7 grams (g) per pound (lb) (50 g/kilogram (kg)) semduramicin (as semduramicin sodium).

(2) 22.7 g/lb (50 g/kg) semduramicin (as semduramicin sodium biomass).

(b) Sponsor. See No. 066104 in § 510.600(c) of this chapter for use of product described in paragraph (a)(1) of this section as in paragraph (d) of this section;  for use of product described in paragraph (a)(2) of this section as in paragraph (e) of this section.

(c) Related tolerances. See § 556.597 of this chapter.

(d) Conditions of use in chickens. It is used in chicken feed as follows:

Semduramicin in grams per ton

Combinations in grams per ton

Indications for use

Limitations

Sponsor

(1) 22.7 (25 ppm)

Broiler chickens: For the prevention of coccidiosis caused by Eimeria acervulina, E. brunetti, E. maxima, E. mivati/E. mitis, E. necatrix, and E. tenella.

Do not feed to laying hens.

066104

(2) 22.7

Bacitracin methylenedisalicylate 10 to 50

Broiler chickens: As in paragraph (d)(1) of this section; for improved feed efficiency.

Feed continuously as sole ration. Do not feed to laying hens. Bacitracin methylenedisalicylate as provided by No. 054771 in § 510.600(c) of this chapter.

066104

(e) Conditions of use in chickens. It is used in chicken feed as follows:

Semduramicin in grams per ton

Combination in grams per ton

Indications for use

Limitations

Sponsor

(1) 22.7 (25 ppm)

Broiler chickens: For the prevention of coccidiosis caused by Eimeria tenella, E. acervulina, E. maxima, E. brunetti, E. necatrix, and E. mitis.

Do not feed to laying hens.

066104

(2) [Reserved by 81 FR 95013]

(f) Semduramycin may also be used in combination with virginiamycin as in § 558.635.

Previous Part of Code Next Part of Code
Back to Chapter List

Cite this article: FindLaw.com - Code of Federal Regulations Title 21. Food and Drugs § 21.558.555 Semduramicin - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-21-food-and-drugs/cfr-sect-21-558-555/

FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.

Was this helpful?

Welcome to FindLaw's Cases & Codes

A free source of state and federal court opinions, state laws, and the United States Code. For more information about the legal concepts addressed by these cases and statutes, visit FindLaw’s Learn About the Law.

Go to Learn About the Law

Latest Blog Posts

For Legal Professionals

Learn About The Law

Get help with your legal needs

FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.

Go to Learn About the Law

Need to Find an Attorney?

Search our directory by legal issue

Enter information in one or both fields (Required)

Copied to clipboard