Ivomec (Ivermectin ) Injectable 1% provides protection against internal and external parasites. For the treatment and control of gastrointestinal roundworms, lungworms, sucking lice, mange mites and cattle grubs. Each ml contains 10 mg of ivermectin. Dosage: Cattle - 1 ml subcutaneously per 110 lbs body weight; Swine - 1 ml subcutaneously per 75 lbs body weight. Slaughter withdrawal: Swine - 18 days; Cattle - 35 days. Do not use in female dairy cattle of breeding age. Not for use in veal calves.