Incide 25 Fly killer is an emulsifiable concentrate insecticide highly recommended to control flies, stables flies, horn flies, black flies, mosquitos, ticks and lice. Incide 25 contains 25% permethrin, a synthetic pyrethroid insectice that is diluted prior to use. As a premise spray it is designed to be used as a surface spray in milking parlours, poultry houses, stables and livestock housing. Incide 25 has many on-animal applications for cattle, poultry and sheep such as back rubbers, premise spray or on-animal topical treatment.