Section 522.23 - Acepromazine(a)Specifications. Each milliliter of solution contains 10 milligrams (mg) acepromazine maleate.(b)Sponsors. See Nos. 000010 and 058198 in § 510.600(c) of this chapter.(c)Conditions of use in dogs, cats, and horses - (1)Amount. Dogs: 0.25 to 0.5 mg per pound (/lb) of body weight; Cats: 0.5 to 1.0 mg/lb of body weight; Horses: 2.0 to 4.0 mg per 100 lbs of body weight.(2)Indications for use. For use as a tranquilizer and as a preanesthetic agent.(3)Limitations. Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian. 75 FR 10167 , Mar. 5, 2010; 78 FR 17597 , Mar. 22, 2013; 79 FR 16182 , Mar. 25, 2014; 86 FR 14819 , Mar. 19, 2021