N. L. Andreeva
Federal State Budgetary Educational Institution of Higher Education "St. Petersburg State University of Veterinary Medicine"
Russian Federation

 d. biol. Sc., prof. department pharmacology and toxicology 

V. S. Ponamarev
Federal State Budgetary Educational Institution of Higher Education "St. Petersburg State University of Veterinary Medicine"
Russian Federation

 senior lecturer., Ph.D. of Veterinary Science 

P. S. Pogodaeva
Federal State Budgetary Educational Institution of Higher Education "St. Petersburg State University of Veterinary Medicine"
Russian Federation

 ass. department Biochemistry and Physiology, Ph.D. of Veterinary Science 

A. V. Kostrova
Federal State Budgetary Educational Institution of Higher Education "St. Petersburg State University of Veterinary Medicine"
Russian Federation

 graduate student