PYthon® II Livestock Insecticide Dust is a highly effective livestock dust formulated to control a wide range of external parasites, including horn flies, face flies, lice, ticks, keds, stable flies, and other nuisance insects. Featuring the powerful combination of zeta-cypermethrin and piperonyl butoxide, this advanced formula provides fast knockdown and long-lasting residual control for cattle, horses, sheep, and goats. Ideal for use in dust bags, shaker cans, dusting gloves, and mechanical dust applicators, PYthon II Dust helps reduce insect stress, improve animal comfort, and support overall herd health. Its photostable formulation maintains effectiveness even in sunny conditions, making it a dependable choice for pasture and livestock operations. Features Controls horn flies, face flies, lice, ticks, keds, and stable flies For use on cattle, dairy cattle, horses, sheep, and goats Contains zeta-cypermethrin and piperonyl butoxide for enhanced effectiveness Long-lasting residual activity Suitable for dust bags, shaker cans, and direct animal application Odorless, ready-to-use formula Made for outdoor livestock pest control applications Common Sizes 2 lb Shaker Can 12.5 lb Refill Bag Dust Bag Kit Options Available