Ideal for winter lice control. Also controls flies and other harmful pests on beef and dairy cattle. Cattle: Pour 1/2 oz. per 100 lbs. body weight down the center of the animal’s back and face. Repeat as needed, but not more than once every 14 days. Safe for all types of cows, even lactating dairy cows. Sheep: Apply 1/4 oz down the back per 50 lbs up to a maximum of 3 oz per animal. No withdrawal.