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