Fotina, T. I., and T. V. Sergeychik. “MONITORING OF RISK FACTORS ON FARMS TO KEEP CHICKEN BROILERS”. Bulletin of Sumy National Agrarian University. The Series: Veterinary Medicine, no. 1 (56), June 2022, pp. 31-36, doi:10.32845/bsnau.vet.2022.1.5.