High-density, confined housing systems for poultry create conditions that favour the development of manure-breeding flies & beetles associated with poultry litter accumulations. External parasites (e.g., northern fowl mite, lice) are also of concern in confined housing systems. Terminal Professional Fly Spray is an insecticide with a rapid knockdown action & will kill most flying insects. HSE (Health & Safety Executive) approved it as completely safe to use, fast working & extremely efficient at keeping airborne pests at bay from poultry housing, coops, arks etc. Terminal Professional Fly Killer will kill target species; House flies, little House Flies, Black Garbage Flies, Blow Flies, Small Dung Flies, Mites, Lice, Fleas, Wasps, Mosquitoes & Moths.