Bimectin Cattle Pour On - for effective control of roundworms (including brown stomach worms), lungworms, grubs, sucking lice, biting lice, mange mites and horn flies in cattle. Contains 5 mg ivermectin per ml. Dosage: 1 ml per 22 lbs body weight applied along the topline in a narrow strip extending from the withers to the tailhead. Not for use in female dairy cattle of breeding age or in veal calves. 48 day slaughter withdrawal.