N. Yu. Yugatova
St. Petersburg State University of Veterinary Medicine
Russian Federation

Natalia Yu. Yugatova -  Candidate of Veterinary Sciences, Associate Professor, Associate Professor of the Department of Veterinary Hygiene and Radiobiology 

St. Petersburg

M. D. Nazarova
St. Petersburg State University of Veterinary Medicine
Russian Federation

Marina D. Nazarova -  graduate student of the Department of Veterinary Hygiene and Radiobiology 

St. Petersburg

R. O. Vasiliev
St. Petersburg State University of Veterinary Medicine
Russian Federation

Roman O. Vasiliev -  Candidate of Biological Sciences, Docent, Associate Professor of the Department of Veterinary Hygiene and Radiobiology 

St. Petersburg

D A. Savrasov
Voronezh State Agrarian University named after Emperor Peter I
Russian Federation

Dmitry Al. Savrasov -  Candidate of Veterinary Sciences, Associate Professor, Head of the Department of Therapy and Pharmacology 

Voronezh