(a) Specifications. Each milliliter of solution contains 13.1 milligrams zinc as zinc gluconate neutralized to pH 7.0 with L-arginine.

(b) Sponsor. See No. 011788 in § 510.600(c) of this chapter.

(c) Conditions of use in dogs—(1) Amount. The volume injected into each testicle is based on testicular width as determined by measuring each testicle at its widest point using a metric scale (millimeter) caliper.

(2) Indications for use. Intratesticular injection for chemical sterilization of 3- to 10-month-old male dogs.

(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.