Durvet Ivermectin Cattle Wormer Pour-On kills roundworms (including brown stomach worms), lungworms, grubs, sucking and biting lice, mange mites and horn flies. Contains 5 mg ivermectin per ml. Dosage: 50 ml per 1,100 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. 48 day slaughter withdrawal. Pour-on gun for use with 2.5 and 5 liter sizes only. Not for sale in AK, HI, MP, PR, VI
