• Decrease font size
  • Return font size to normal
  • Increase font size
U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

  • Print
  • Share
  • E-mail
-

The information on this page is current as of Oct 01, 2021.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

New Search
Help | More About 21CFR
[Code of Federal Regulations]
[Title 21, Volume 6]
[CITE: 21CFR526.820]



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

PART 526 -- INTRAMAMMARY DOSAGE FORM NEW ANIMAL DRUGS

Sec. 526.820 Erythromycin.

(a) Specifications. (1) Each single-dose, 6-milliliter (mL) syringe contains 300 milligrams (mg) erythromycin (as the base).

(2) Each single-dose, 12-mL syringe contains 600 mg erythromycin (as the base).

(b) Sponsors. See Nos. 054771 and 061133 in § 510.600(c) of this chapter.

(c) Related tolerances. See § 556.230 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 6-mL syringe (300 mg erythromycin base) into each infected quarter. Repeat infusion at 12-hour intervals for a maximum of 3 infusions.

(2) Indications for use. For the treatment of mastitis due to Staphylococcus aureus, Streptococcus agalactiae, Streptococcus dysgalactiae, and Streptococcus uberis in lactating cows.

(3) Limitations. Milk taken from animals during treatment and for 36 hours (3 milkings) after the latest treatment must not be used for food.

(e) Conditions of use for syringe described in paragraph (a)(2) of this section in dry cows - (1) Amount. Infuse the contents of one 12-mL syringe (600 mg erythromycin base) into each infected quarter at the time of drying off.

(2) Indications for use. For the treatment of mastitis due to Staphylococcus aureus, Streptococcus agalactiae, Streptococcus dysgalactiae, and Streptococcus uberis in dry cows.

(3) Limitations. For use in dry cows only.

[86 FR 13186, Mar. 8, 2021]

-
-