I. I. Kochish
Moscow State Academy of Veterinary Medicine and Biotechnology named after K.I. Scriabin
Russian Federation

Kochish I.I. – Holder of an Advanced Doctorate (Doctor of Science) in Agricultural Sciences, Professor, Academician of the Russian Academy of Sciences, Head of the Department of Zoo hygiene and Poultry Farming named after A.K. Danilova

E. E. Zimin
Moscow State Academy of Veterinary Medicine and Biotechnology named after K.I. Scriabin
Russian Federation

Zimin E.E. – postgraduate student 

I. N. Nikonov
St. Petersburg State University of Veterinary Medicine
Russian Federation

Nikonov I.N. – Ph.D. of Biological Sciences, Senior Lecturer