Analysis of the epizootic situation for invasive diseases of ungulates at a hunting farm

There is given an analysis of the epizootic situation for invasive diseases resulted from ovolarvascopic examinations of feces samples from antlered, sika and European deer, fallow deer, mouflon, and wild boars at the hunting farm “Shchuchye”, Tver Region,. Investigations were conducted by researchers of the All-Russian Research Institute for Antlered deer Farming from 2014 to 2016. The basic structure of causative agents of parasitic diseases, such as gastrointestinal strongyles, elaphostrongyles, moniezii, roundworms, nematodiry, Amery and itch mites, was determined. Species composition of helminth fauna and parasitic protozoa tends to increase. The most common parasites were observed in all groups of the animals examined. Diseases specific for each animal species were determined. A feature of anthropogenic impact on host-parasite relationships was observed. There were determined incidence and intensity of infestation of animals including minimum and maximum values. Increases and decreases in infestation level in ungulates were established across years with the maximum indices in 2015, minimum level in 2014, and average infestation in 2016. The analysis of the epizootic situation for 2014-2016 has shown that both extensive and intensive indices of infestation increase because of the absence of prophylactic and therapeutic dehelminhtizations. In the natural environment, habitat areas of wild are much larger than enclosures at hunting farms; hence, contamination of the territory with larvae and eggs of helminths takes place more intensively than in the natural environment that results in increased infestation of captured animal species.

эпизоотическая ситуация, экстенсивность инвазии, интенсивность инвазии, гельминты, олени, кабаны, муфлоны, epizootic situation, incidence and intensity of invasion, helminths, deer, wild boar, mouflon

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