Elanco Clean-Up II Pour-On Insecticide with IGR is a ready-to-use solution designed to help protect beef and dairy cattle, including lactating cows and calves, from a wide range of external parasites. This pour-on insecticide helps control sucking and chewing lice, as well as black flies, deer flies, house flies, horn flies, horse flies, stable flies, and cattle ticks. As the first IGR pour-on for topical application, Clean-Up II kills louse eggs before they hatch, providing effective lice control with a single application. Its convenient formula requires no pre-slaughter or milk withholding period, making it a practical and efficient choice for comprehensive cattle parasite management.