Ultra Boss Pour-on Insecticide For Cattle & Sheep

Fast-acting 5% permethrin formulation with 5% piperonyl butoxide optimizes control","Effective horn fly control for 8 weeks. Also controls face flies","Season long lice control with 1 application","For lactating and non-lactating dairy cattle beef cattle calves sheep lactating and non-lactating dairy goats and horses","Made in the usa