Permectrin CDS Pour-On Insecticide contains a synergized formula for direct use on beef cattle, dairy cattle (including lactating), sheep, lambs, horses and foals for the control of a variety of pests including horn flies, face flies, stable flies, lice, ticks, mosquitoes and more. The ready-to-use solution can be diluted for backrubber applications on cattle or used as a premise spray.