O. A. Tokareva
Saint Petersburg State University of Veterinary Medicine
Russian Federation

 Olesya Al. Tokareva - Cand. of Veterinary Science, Assoc. Prof 

S. V. Engashev
Moscow State Academy of Veterinary Medicine and Biotechnology – MBA named after K.I. Skryabina
Russian Federation

Sergey Vl. Engashev - Dr. of Veterinary Science, Prof., Academician of the Russian Academy of Sciences 

E. S. Engasheva
All-Russian Research Institute of Veterinary Sanitation, Hygiene and Ecology – Branch of the Federal State Budgetary Scientific Institution FSC VIEV RAS
Russian Federation

 Ekaterina S. Engasheva - Dr. of Biological Science 

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

 Anton N. Tokarev - Dr. of Veterinary Science, Docent 

D. N. Filimonov
RDC Agrovetzashchita LLC
Russian Federation

Denis N. Filimonov - Cand. of Biological Science