Pyranha® Stock Guard Concentrate is a fly spray for use on horses, beef and dairy cattle, sheep, goats, swine, poultry and dogs. It may also be used as a premise spray, and in automatic spray systems or foggers. Pyranha® Stock Guard Concentrate provides quick knockdown and long-lasting control of stable flies, horse flies, horn flies, house flies, deer flies, mosquitoes, gnats, lice, fleas, ticks, mites, crickets, cockroaches, silverfish and spiders. Especially convenient for barns, dairies, and kennels. Contains permethrin and piperonyl butoxide.