Section 522.723 - Diprenorphine(a)Specifications. Each milliliter of solution contains 2 milligrams of diprenorphine hydrochloride.(b)Sponsors. See No. 053923 in § 510.600(c) of this chapter.(c)Conditions of use -(1)Amount. It is administered intramuscularly or intravenously at a suitable dosage level depending upon the species.(2)Indications for use. The drug is used for reversing the effects of etorphine hydrochloride injection, veterinary, the use of which is provided for in § 522.883 , in wild and exotic animals.(3)Limitations. For use in wild or exotic animals only. Do not use in domestic food-producing animals. Do not use 30 days before, or during, the hunting season in free-ranging wild animals that might be used for food. Federal law restricts this drug to use by or on the order of a licensed veterinarian. Distribution is restricted to veterinarians engaged in zoo and exotic animal practice, wildlife management programs, and researchers. 79 FR 16187 , Mar. 25, 2014