Skip to main content
Find a Lawyer

Code of Federal Regulations Title 21. Food and Drugs § 21.526.1590 Novobiocin

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

(a) Specifications. Each single-dose, 10–milliliter syringe contains:

(1) 150 milligrams (mg) of novobiocin equivalents as sodium novobiocin, or

(2) 400 mg of novobiocin equivalents as sodium novobiocin.

(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.

(c) Related tolerances. See § 556.460 of this chapter.

(d) Conditions of use for syringe described in paragraph (a)(1) of this section in lactating cows—

(1) Amount. Infuse the contents of one syringe (equivalent to 150 mg novobiocin) into each infected quarter after milking. Repeat treatment once after 24 hours. Do not milk for at least 6 hours after treatment.

(2) Indications for use. For the treatment of mastitis caused by susceptible strains of Staphylococcus aureus in lactating cows.

(3) Limitations. Milk taken from treated animals within 72 hours (6 milkings) after latest treatment should not be used for food. Do not slaughter treated animals for food for 15 days following latest treatment. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

(e) Conditions of use for syringe described in paragraph (a)(2) of this section in dry cows—

(1) Amount. Infuse the contents of one syringe (equivalent to 400 mg novobiocin) into each quarter at the time of drying off.

(2) Indications for use. For the treatment of mastitis caused by susceptible strains of Staphylococcus aureus and Streptococcus agalactiae in dry cows.

(3) Limitations. For udder installation for the treatment of mastitis in dry cows only. Infuse each quarter at the time of drying off, but not less than 30 days prior to calving. Do not slaughter treated animals for food for 30 days following udder infusion.

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 § 21.526.1590 Novobiocin - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-21-food-and-drugs/cfr-sect-21-526-1590/

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