K. N. Biryukov
Moscow State Academy of Veterinary Medicine and Biotechnology – MBA named after K.I. Scriabin
Russian Federation

Biryukov K.N. – candidate of veterinary sciences Sc., Associate Professor of the Department of Animal Hygiene and Poultry Science named after A.K. Danilova

I. G. Ryazanov
Moscow State Academy of Veterinary Medicine and Biotechnology – MBA named after K.I. Scriabin
Russian Federation

Ryazanov I.G. – Ph.D. Sc., Associate Professor of the Department of Animal Hygiene and Poultry Science named after A.K. Danilova

E. A. Kapitonova
Moscow State Academy of Veterinary Medicine and Biotechnology – MBA named after K.I. Scriabin
Russian Federation

Kapitonova E.A. – Doctor of Biology Sci., Associate Professor, Professor of the Department of Animal Hygiene and Poultry Science named after A.K. Danilova