S. V. Dezhatkina
Ulyanovsk State Agrarian University named after P.A. Stolypin
Russian Federation

Doctor of Biology, Associate Professor, Head of the Department of Morphology and Physiology, Feeding, Breeding and Private Animal Husbandry

M. E. Dezhatkin
Ulyanovsk State Agrarian University named after P.A. Stolypin
Russian Federation

Candidate of Technical Sciences, Associate Professor, Department of Operation of Mobile Machines and Technical Equipment 

P. V. Ziruk
Ulyanovsk State Agrarian University named after P.A. Stolypin
Russian Federation

candidate of the Department of Morphology and Physiology, feeding, breeding and Private Animal Husbandry

M. E. Kopchekchi
FSBEI VO FSBEI Saratov State University of Genetics, Biotechnology and Engineering named after N.I. Vavilov
Russian Federation

PhD, Associate Professor of the Department of Morphology, Animal Pathology and Biology 

K. A. Kopchekchi
FSBEI VO FSBEI Saratov State University of Genetics, Biotechnology and Engineering named after N.I. Vavilov
Russian Federation

5th year student of the specialty of veterinary medicine