[Code of Federal Regulations] [Title 21, Volume 6] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR526.1810] [Page 323] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 526--INTRAMAMMARY DOSAGE FORMS--Table of Contents Sec. 526.1810 Pirlimycin hydrochloride. (a) Specifications. Each 10-milliliter syringe contains 50 milligrams of pirlimycin (as pirlimycin hydrochloride). (b) Sponsor. See 000009 in Sec. 510.600(c) of this chapter. (c) Related tolerances. See Sec. 556.515 of this chapter. (d) Conditions of use. (1) Dose. 50 milligrams in each infected quarter, repeated once after 24 hours. (2) Indications for use. For lactating dairy cattle for the treatment of clinical and subclinical mastitis caused by Staphylococcus species, such as Staphylococcus aureus; and Streptococcus species, such as Streptococcus agalactiae, Streptococcus dysgalactiae, and Streptococcus uberis. (3) Limitations. Milk taken from animals during treatment and for 36 hours following the last treatment must not be used for food. Treated animals must not be slaughtered for food use for 9 days following the last treatment. Federal law restricts this drug to use by or on the order of a licensed veterinarian. [58 FR 58486, Nov. 2, 1993, as amended at 65 FR 61091, Oct. 16, 2000]