Dosage:

Cattle: Ivermectin Injection should be given only by subcutaneous injection under the loose skin in front of or behind the shoulder at the recommended dose level of 200 mcg of ivermectin per kilogram of body weight. Each mL of Ivermectin Injection contains 10 mg of ivermectin, sufficient to treat 110 lb (50 kg) of body weight (maximum 10 mL per injection site). 

Swine: Ivermectin Injection should be given only by subcutaneous injection in the neck of swine at the recommended dose level of 300 mcg of ivermectin per kilogram (2.2 lb) of body weight. Each mL of Ivermectin Injection contains 10 mg of ivermectin, sufficient to treat 75 lb of body weight.

Administration

• Cattle: Ivermectin Injection is to be given subcutaneously only, to reduce risk of potentially fatal clostridial infection of the injection site. Animals should be appropriately restrained to achieve the proper route of administration. Use of a 16-gauge, ½ to ¾” needle is suggested. Inject under the loose skin in front of or behind the shoulder.
• Swine: Ivermectin (ivermectin) Injection is to be given subcutaneously in the neck. Animals should be appropriately restrained to achieve the proper route of administration. Use of a 16- or 18- gauge needle is suggested for sows and boars, while an 18- or 20- gauge needle may be appropriate for young animals. Inject under the skin, immediately behind the ear.