(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]