Section 522.1083 - Gonadotropin releasing factor analog-diphtheria toxoid conjugate(a)Specifications. Each milliliter (mL) of solution contains 0.2 milligrams (mg) gonadotropin releasing factor analog-diphtheria toxoid conjugate.(b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.(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.(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.(ii)Gilts intended for slaughter: For the temporary suppression of estrus.(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. 76 FR 27889 , May 13, 2011, as amended at 77 FR 4227 , Jan. 27, 2012; 79 FR 16189 , Mar. 25, 2014; 85 FR 45308 , July 28, 2020