{"data":{"id":"us/21-cfr-522.1083","jurisdiction":"us","citation":"21 CFR 522.1083","heading":"Gonadotropin releasing factor analog-diphtheria toxoid conjugate.","body":"(a) Specifications. Each milliliter (mL) of solution contains 0.2 milligrams (mg) gonadotropin releasing factor analog-diphtheria toxoid conjugate.\n(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.\n(c) Conditions of use in swine—(1) Amount. Each intact male pig or gilt should receive two 2-mL (0.4 mg) doses by subcutaneous injection. Administer the first dose no earlier than 9 weeks of age. Administer the second dose at least 4 weeks after the first dose.\n(2) Indications for use—(i) Intact male pigs intended for slaughter: For the temporary immunological castration (suppression of testicular function) and reduction of boar taint.\n(ii) Gilts intended for slaughter: For the temporary suppression of estrus.\n(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. For reduction of boar taint, intact male pigs should be slaughtered no earlier than 3 weeks and no later than 10 weeks after the second dose.","path":["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 522—IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"3b898b7afef55744b644a794b87f64387e26aec0de1af4bbee1c8d58796029c6","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-522.1081","next":"us/21-cfr-522.1085"},"notice":"GroundRules: Original legal text. Not legal advice."}