Monitoring of helminthiasis of the polar bear (Ursus maritimus) in the wild and zoos of Russia

DOI: 10.36871/vet.zoo.bio.202104009
UDC 619: 616.995.1: 639.1

Authors

N. V. Esaulova
Candidate of Veterinary Sciences, of the Department of Parasitology and Veterinary and Sanitary Expertise, Moscow State Academy of Veterinary Medicine and Biotechnology – MVA by K. I. Skryabin, Moscow, Russian Federation
S. V. Naydenko
Doctor of Biological Sciences, Professor, Director A. N. Severtsov Institute of Ecology and Evolution, Moscow, Russian Federation
O. G. Rudakova
Student of the Faculty of Veterinary Medicine, Moscow State Academy of Veterinary Medicine and Biotechnology – MVA by K.I. Skryabin, Moscow, Russian Federation

Abstract

The article provides information on monitoring studies of polar bear helminthiasis in the wild population of Franz Josef Land and in zoos in Russia. Wild bears were found to be free from invasion. Analysis of fecal samples from polar bears from 17 zoos showed that the total extensiveness of the invasion was 21%, XNUMX types of helminths were identified: Baylisascaris transfuga and Diphyllobothrium sp. Samples with helminth eggs were found in zoos in Nizhny Novgorod, Rostov-on-Don, Penza, Udmurtia, Khabarovsk, Novosibirsk, Kazan, Krasnoyarsk, Moscow, Volokolamsk, Seversk, Perm.

Keywords

polar bear helminthiasis, zoos, Baylisascaris transfuga, Diphyllobothrium sp.