Analysis of some factors influencing wild boars number in the Vologda region

The aim of the research is to analyze some factors influencing the changes in the number of wild boars in the Vologda region over the last decade. The analysis of the reports of specialized budgetary institutions and the results of own researches on studying the helminthofauna of the wild boar has been carried out. The research work on determining the parasitofauna of the wild boar was carried out at the Department of epizootology and microbiology of the Vologda State Dairy Farming Academy. The number of wild boars in the Vologda region for the period of 2008-2018 has decreased by 74%. The main reason for this was implementing a set of anti-epizootic measures against the spread of African swine fever in the wild. The wild boar population safety in the Vologda region is influenced by parasitic diseases, while the greatest damage is caused by metastrongylosis, and the extensiveness of metastrongylosis invasion is 45%. From among the helminthozoonoses trichinellosis is registered on the territory of the region. According to official veterinary reporting the degree of the wild boar's exposure to this disease for the last 10 years has been from 0.04 to 1.4. In some areas of the region the cases of young animals and weakened adult animals destruction by packs of feral dogs living in the forest zone adjoining settlements have been noted.