V. G. Semenov
Chuvash State Agrarian University
Russian Federation

Doctor of Biological Sciences, Professor, Head of the Department of Morphology, Obstetrics and Therapy 

29, K. Marx st., Cheboksary, Chuvash Republic, 428003, Russian Federation 

V. G. Tyurin
All-Russian Research Institute of Veterinary Sanitation, Hygiene and Ecology – branch of the Federal State Budgetary Scientific Institution «Federal Scientific Center – All-Russian Research Institute of Experimental Veterinary Medicine named after K.I. Scriabin and Y.R. Kovalenko of the Russian Academy of Sciences»
Russian Federation

Doctor of Veterinary Sciences, Professor, Head of the Laboratory of Zoo Hygiene and Environmental Protection 

5, Zvenigorodskoe Highway, Moscow, 123022, Russian Federation 

S. S. Kozak
"All-Russian Research Institute of the Poultry Processing Industry" – branch of the Federal State Budgetary Scientific Institution of the Federal Scientific Center "All–Russian Scientific Research and Technological Institute of Poultry Farming" of the Russian Academy of Sciences
Russian Federation

 Doctor of Biological Sciences, Professor 

141552, Moscow Region, Rzhavki, VNIIPP 

V. V. Boronin
Chuvash State Agrarian University
Russian Federation

Candidate of Veterinary Sciences, Assistant of the Department of Morphology, Obstetrics and Therapy 

29, K. Marx st., Cheboksary, Chuvash Republic, 428003, Russian Federation 

R. N. Ivanova
Chuvash State Agrarian University
Russian Federation

Candidate of Agricultural Sciences, associate Professor of the Department of Biotechnology and Processing of Agricultural Products 

29, K. Marx st., Cheboksary, Chuvash Republic, 428003, Russian Federation