K. E. Belkin
Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University)
Russian Federation

Konstantin E. Belkin, PhD Student of the Veterinary Medicine Department of the Agrarian and Technological Institute

6, Miklukho-Maklai Str., Moscow, 117198

Y. A. Vatnikov
Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University)
Russian Federation

Yuri A. Vatnikov, Dr.Sci. (Veterinary), Professor, Director of the Veterinary Medicine Department of the Agrarian and Technological Institute

6, Miklukho-Maklai Str., Moscow, 117198

E. D. Sotnikova
Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University)
Russian Federation

Elena D. Sotnikova, Cand.Sci.(Biology), Associate Professor of the Veterinary Medicine Department of the Agrarian and Technological Institute

6, Miklukho-Maklai Str., Moscow, 117198

E. A. Notina
Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University)
Russian Federation

Elena A. Notina, Cand.Sci.(Philology), Associate Professor, Head of the Foreign Languages Department of the Agrarian and Technological Institute

6, Miklukho-Maklai Str., Moscow, 117198

E. A. Krotova
Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University)
Russian Federation

Elena A. Krotova, Cand.Sci. (Veterinary), Associate Professor of the Department of Veterinary Medicine of the Agrarian and Technological Institute

6, Miklukho-Maklai Str., Moscow, 117198