[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: 21CFR522.533] [Page 224] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES--(Continued) PART 522--IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS--Table of Contents Sec. 522.533 Deslorelin acetate. (a) Specifications. Each implant contains 2.1 milligrams deslorelin acetate. (b) Sponsor. See 064288 in Sec. 510.600(c) of this chapter. (c) [Reserved] (d) Conditions of use--(1) Horses and ponies--(i) Amount. One implant per mare. (ii) Indications for use. For inducing ovulation within 48 hours in estrous mares with an ovarian follicle greater than 30 millimiters in diameter. Follicular size should be determined by rectal palpation and/ or ultrasonography prior to treatment. (iii) Limitations. Administer subcutaneously in the neck. Not for use in horses or ponies intended for food. Federal law restricts this drug to use by or on the order of a licensed veterinarian. (2) [Reserved] [63 FR 44383, Aug. 19, 1998]