Durasect Pour-On (1 Gallon)

Water repellent, long acting permethrin pour on. Effective against biting lice, sucking lice, stable flies, and horse flies. Labeled for beef cattle, lactating dairy cattle, sheep and goats. Safe on calves and no withdrawal time for slaughter or milk. 1 oz. per 200 lbs. body weight, maximum of 5 oz.