Lazorenko, L., and NegrebаY. 2019. “The Distribution of Horse Breeding Parasitosis in Seasonal and Age Aspects”. Bulletin of Sumy National Agrarian University. The Series: Veterinary Medicine, no. 1-2(44-45) (July), 10-15. https://doi.org/10.32845/bsnau.vet.2019.1-2.2.