Vetsense FlyGon Gold - 500mlRepels flies and other biting insects on horses, dogs, cattle and pigs and controls fleas and lice on dogs and cats. Insecticidal and Repellent Spray for Horses. Controls and Repels susceptible Flies, Mosquitoes and other Nuisance Insects including House Fly (Musca domestica), Stable Fly (Stomoxys calcitrans), Bush Fly (Musca velustissima), Bot Fly (Gasterophilus spp), Mosquitoes (Aedes spp) and Midges or Sandflies (Culicoides spp.) in horses. Aids in