CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS (parts 500 to 590) > PART 526—INTRAMAMMARY DOSAGE FORM NEW ANIMAL DRUGS > 526.464a—Cloxacillin benzathine.

526.464a—Cloxacillin benzathine.

(a) Specifications. Each dose contains cloxacillin benzathine equivalent to 500 milligrams of cloxacillin.
(b) Related tolerances. See § 556.165 of this chapter.
(c) Sponsor. See No. 000010 in § 510.600(c) of this chapter for use in dairy cows.
(1) Amount. Administer aseptically into each quarter immediately after last milking.
(2) Indications for use. For the treatment of mastitis caused by Staphylococcus aureus and Streptococcus agalactiae including penicillin resistant strains in dairy cows during the dry period.
(3) Limitations. For use in dry cows only. Not to be used within 30 days of calving. Animals infused with this product must not be slaughtered for food use for 30 days after the latest infusion. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
(d) Sponsor. See No. 000069 in § 510.600(c) of this chapter for use in dairy cows.
(1) Amount. Administer one dose in each quarter immediately after last milking.
(2) Indications for use. Treatment and prophylaxis of bovine mastitis in nonlactating cows due to S. agalactiae and S. aureus.
(3) Limitations. For use in dry cows only. Not to be used within 4 weeks (28 days) of calving. Animals infused with this product must not be slaughtered for food use for 4 weeks (28 days) after the latest infusion. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Code of Federal Regulations

[57 FR 37334, Aug. 18, 1992; 57 FR 42623, Sept. 15, 1992, as amended at 60 FR 55660, Nov. 2, 1995; 75 FR 10168, Mar. 5, 2010; 75 FR 71017, Nov. 22, 2010]