reduce fertility after 54-60 weeks. Krokhin Nikolay Leonidovich, veterinary expert on poultry farming, Agrofid Rus LLC. Report of the section "Veterinary medicine in poultry farming" of the round table "Commercially significant infections, infestations and non-communicable diseases, antibiotic resistance. What is causing the most damage today broiler and egg poultry farming? XII International Scientific and Practical Conference "Veterinary Medicine in the Agroindustrial Complex", Novosibirsk, May 25, 2023. All rights reserved.