N. V. Sakhno
Federal State Budgetary Educational Institution of Higher Education «N.V. Parakhin Orel State Agrarian University»
Russian Federation

 doctor of veterinary Sciences, Associate Professor, Professor Departments of Epizootology and Therapy Federal State Budgetary Educational Institution 

Yu. A. Vatnikov
Agrarian Technological Institute, Peoples' Friendship University of Russia (RUDN University)
Russian Federation

 doctor of veterinary Sciences, Professor, Director Department of Veterinary Medicine 

S. A. Yagnikov
Agrarian Technological Institute, Peoples' Friendship University of Russia (RUDN University)
Russian Federation

 doctor of veterinary Sciences Professor Department of Veterinary Medicine 

V. I. Kuznetsov
Agrarian Technological Institute, Peoples' Friendship University of Russia (RUDN University)
Russian Federation

 doctor of medicine Sciences Professor of Department of General Practice 

E. V. Kulikov
Agrarian Technological Institute, Peoples' Friendship University of Russia (RUDN University)
Russian Federation

 Associate professor Department of Veterinary medicine 

I. A. Tutkyshbay
М.Auezov South Kazakhstan university
Kazakhstan

 Associate professor Departments of Veterinary medicine 

O. A. Petrukhina
Agrarian Technological Institute, Peoples' Friendship University of Russia (RUDN University)
Russian Federation

 PhD of veterinary Sciences assistant Department of Veterinary Medicine