Gordon's, gallon, ready to use, synergized lice no more, oil based pyrethrum/pod blend insecticide, use on beef cattle, lactating & non-lactating dairy cattle, calves, & sheep, superior insect control of lice, mosquitoes, flies, & other pests better than permethrin-only insecticides, also aids in control of cockroaches, ants, spiders & crickets, use as a pour on, spray, back rubber or premise spray.