(a) Specifications. Each milliliter of solution contains 50 milligrams of naltrexone hydrochloride.

(b) Sponsor. See 053923 in §510.600(c) of this chapter.

(c) Conditions of use in elk and moose—(1) Amount. 100 milligrams of naltrexone hydrochloride for each milligram of carfentanil citrate administered. One-quarter of the dose should be administered intravenously and three-quarters of the dose should be administered subcutaneously.

(2) Indications for use. As an antagonist to carfentanil citrate immobilization in free-ranging or confined elk and moose (Cervidae).

(3) Limitations. Do not use in domestic food-producing animals. Do not use in free-ranging animals for 45 days before or during hunting season. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[62 FR 5320, Feb. 5, 1997, as amended at 79 FR 16191, Mar. 25, 2014]