A. T. Varakin
Volgograd State Agrarian University
Russian Federation

Varakin Aleksander Tikhonovich, Doctor of Agricultural Sciences, Professor of the Department of "Private Animal Science",

400002, Volgograd, Universitetskiy Ave., 26

V. E. Mokrousov
National Research Mordovian State University named after N. P. Ogarev
Russian Federation

Mokrousov Vitaly Evgenievich, postgraduate student of the Department of Animal Science named after Professor S. A. Lapshin with a course in industrial pig breeding,

430904, Republic of Mordovia, Saransk, Yalga village, st. Rossiyskaya, 31

D. Sh. Gayirbegov
National Research Mordovian State University named after N. P. Ogarev
Russian Federation

Gayirbegov Dzhunaidi Sharamazanovich, Doctor of Agricultural Sciences, Professor of the Department of Animal Science named after Professor S. A. Lapshin with a course in industrial pig breeding,

430904, Republic of Mordovia, Saransk, Yalga village, st. Rossiyskaya, 31, Agrarian Institute

G. A. Simonov
Vologda State Dairy Academy named after N. V. Vereshchagin
Russian Federation

Simonov Gennady Aleksandrovich, Doctor of Agricultural Sciences, Professor of the Department "Feeding of farm animals",

160555, Vologda, s. Dairy, st. Shmidta, 2

E. S. Vorontsova
Volgograd State Agrarian University
Russian Federation

Vorontsova Elena Sergeevna, Candidate of Biological Sciences, Senior Researcher,

400002, Volgograd, Universitetskiy Ave., 26

T. V. Konobley
Volgograd State Agrarian University
Russian Federation

Konobley Tatyana Viktorovna, Candidate of Agricultural Sciences, Associate Professor of the Department of "Private Animal Science",

400002, Volgograd, Universitetskiy Ave., 26