D. A. Kraskov
St. Petersburg State University of Veterinary Medicine
Russian Federation

Kraskov D.A. – 2nd year postgraduate student of the Department of Epizootology named after V.P. Urban

E. D. Javadov
St. Petersburg State University of Veterinary Medicine
Russian Federation

Javadov E. D. – Doctor of Veterinary Sciences, Professor of the Department of Epizootology named after V.P. Urban

V. V. Veretennikov
St. Petersburg State University of Veterinary Medicine
Russian Federation

Veretennikov V.V. – Cand. Veterinarian. sciences, ass. of the Department of Epizootology named after V.P. Urban

N. V. Tarlavin
St. Petersburg State University of Veterinary Medicine
Russian Federation

Tarlavin N. V. – Cand. Veterinary Sciences, ass. of the Department of Epizootology named after V.P. Urban

K. V. Sidorenko
St. Petersburg State University of Veterinary Medicine
Russian Federation

Sidorenko K. V. – Cand. Veterinary Sciences, ass. of the Department of Biology, Ecology and Histology