Y-Tex, GardStar 40% EC Permethrin Concentrate, 4 OzProduct Description Emulsifiable concentrate formula contains 40% permethrin. Highly active as an insecticide and as a repellent against arthropod pests (horn, face, stable, house, horse, deer and black flies, mosquitoes, eye gnats, mange mites, scabies mites, Northern fowl mites, ticks, lice and sheep keds). For use on beef and dairy cattle, including lactating dairy cows, sheep, goats, swine, poultry, horses, dogs, and their premises, including milk