A. A. Terekhov
St. Petersburg State University of Veterinary Medicine
Russian Federation

Terekhov A.A. – the applicant 

A. V. Smirnov
St. Petersburg State University of Veterinary Medicine
Russian Federation

Smirnov A.V. – PhD in Veterinary Sciences, Associate Professor of the Department of Veterinary and Sanitary Expertise

A. N. Tokarev
St. Petersburg State University of Veterinary Medicine
Russian Federation

Tokarev A.N. – DSc in Veterinary Sciences, Head of the Department of Veterinary and Sanitary Expertise

I. V. Sokolov
St. Petersburg State University of Veterinary Medicine
Russian Federation

Sokolov I.V. – Assistant of the Department of Veterinary and Sanitary Expertise

V. A. Ljunggren
St. Petersburg State University of Veterinary Medicine
Russian Federation

Ljunggren V.A. – Assistant of the Department of Veterinary and Sanitary Expertise