Pyranha Stock Guard Fly Spray Concentrate is used to control a wide range of insects on animals and their premises. To use in spray systems and barn foggers, mix ½ gallon Pyranha Stock Guard Fly Spray Concentrate in 55 gallons water to yield a permethrin insecticide for use in livestock quarters, horse, cattle and dairy barns, swine housing and poultry housing. Pyranha Stock Guard Fly Spray Concentrate can be diluted to make 50 to 200 gallons permethrin insecticide spray for use on dairy and beef cattle, horses, sheep, goats, swine, poultry and dogs. Spray can also be used in horse and livestock barns, milk rooms, dairies and kennels. Controls stable flies, horse flies, horn flies, house flies, deer flies, mosquitoes, gnats, lice, fleas, ticks, mites, crickets, cockroaches, silverfish and spiders. Pyranha Stock Guard Fly Spray Concentrate contains 10% permethrin and 10% piperonyl butoxide.