This ready to use synergized insecticide can be applied as a pour on or mist spray with no dilution required and includes directions for use with backrubbers. One gallon will treat up to 25 head of 1000 pound cattle. It is labeled for use on sheep cattle lactating and non lactating dairy cattle beef cattle cows calves and lambs. The formula provides effective control of flies lice keds face flies horn flies mosquitoes and ticks. Active ingredients include 1 percent permethrin and 1 percent piperonyl butoxide.