This comprehensive guide, produced by Aviagen, gives farm managers clear and actionable information to control the incidence of flies on the poultry farm. Flies pose a health risk for humans and poultry. They are carriers of Salmonella, Pasteurella, Campylobacter and E. Coli which have a negative effect on poultry flocks and farm personnel. The speed of fly reproduction can vary depending on environmental conditions such as warmth, moisture and food sources, but it is not uncommon to have 5 – 6 generations during a single summer breeding season. The key to avoiding fly infestations is managing water and moisture in the litter. Farms which keep dry litter rarely experience serious fly infestations. A successful fly control program ensures moisture is controlled within the house and fly breeding sites are eliminated. Insecticides can help to provide temporary reductions in fly populations but cannot be the only method of effective fly management. Whenever possible feed, litter, broken eggs and mortalities on which flies lay their eggs must be removed. Litter removed at depletion should not be stored on the farm or spread on land adjacent to the farm. It must be removed with...