Martin Stryker 8 oz is a multi purpose concentrate insecticide formulated with 6 percent pyrethrins and 60 percent piperonyl butoxide to deliver fast knockdown and effective control of insect pests. Made with pyrethrins derived from the chrysanthemum flower, this botanical based formula helps control flies mosquitoes and lice on cattle hogs goats horses poultry and sheep. Designed for use on livestock, it provides reliable protection to help keep animals comfortable and pest free.