I. N. Sycheva
Russian State Agrarian University – Moscow State Agricultural Academy named after K.A. Timiriazev
Russian Federation

Irina N. Sycheva, Candidate of Agricultural Sciences, Associate Professor of the chair of special animal husbandry

127550, Moscow, Timiryazevskaya str. 49

Yu. A. Mahamat
Russian State Agrarian University – Moscow State Agricultural Academy named after K.A. Timiriazev
Russian Federation

Оusman A. Mahamat, graduate student of the chair of special animal husbandry

127550, Moscow, Timiryazevskaya str. 49

O. V. Buzina
Kaluga Branch of the Russian State Agrarian University – Moscow Agricultural Academy named after K.A. Timiryazev
Russian Federation

Olga V. Buzina, Candidate of Biological Sciences, Associate Professor of the Department of Animal Science

248007, Kaluga, Vishnevskogo St., 27

E. G. Cheremukha
Kaluga Branch of the Russian State Agrarian University – Moscow Agricultural Academy named after K.A. Timiryazev
Russian Federation

Elena G. Cheremukha, Candidate of Biological Sciences, Associate Professor of the Department of Veterinary Medicine and Animal Physiology

248007, Kaluga, Vishnevskogo St., 27

O. E. Nikitina
Kaluga Branch of the Russian State Agrarian University – Moscow Agricultural Academy named after K.A. Timiryazev
Russian Federation

Olga E. Nikitina, Candidate of Agricultural Sciences, Associate Professor of the Department of Animal Sciences

248007, Kaluga, Vishnevskogo St., 27