Durvet Permethrin 10% is a long-lasting livestock and premise spray that provides broad-spectrum insect control with up to 28 days of residual activity. Safe for use on cattle, sheep, goats, swine, poultry, horses, and dogs, it controls fleas, ticks, lice, mites, horn flies, house flies, and more. Suitable for indoor and outdoor areas, including barns, dairies, poultry houses, and kennels, it is highly toxic to insects but low in toxicity to humans and animals. One quart makes approximately 25 gallons of ready-to-use spray.