African Swine Fever in Poland – Prevalence, Pathways and Potential Spread and Reduction Possibilities

Flis, Marian; Piórkowski, J.

doi:10.15666/aeer/1805_68416856

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“…Our study found no positive samples in the wild boars we examined (year 2011-2019), but at the time of writing, ASF outbreaks have been recorded in three Italian regions: Piedmont, Liguria, and Lazio, with an estimated R 0 of 1.41 in Piedmont/Liguria and 1.66 in Lazio [83]. The Italian outbreaks seem limited, and according to Loi et al [83] and Salazar et al, 2022 [86], the strong impact of the fragmentation of territories (i.e., sites into urban areas and the linkage of these sites via roads and railroads) has limited the propagation of ASF, contrary to a homogeneous landscape less anthropized, which seems to favor its diffusion, e.g., in Polonia, where in 2019 there were 2477 cases diagnosed of ASF [87] or in Lithuania with the maximum prevalence of 87.5% in May 2018 [88]. Surveillance of found-dead wild boars should allow the early detection of the virus, but for the passive surveillance system to be effective, a large number of carcasses must be found and analyzed.…”

Section: Discussionmentioning

confidence: 99%

Eleven Years of Health Monitoring in Wild Boars (Sus scrofa) in the Emilia-Romagna Region (Italy)

Rossi

Santi

Barsi

et al. 2023

Animals

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In recent years, the growth of wild ungulates has increased the focus on their health monitoring. In particular, the health status of wild boars is relevant for the economic impact on the pig industry. The Emilia-Romagna region activated a wildlife monitoring plan to better evaluate the health status of the wild boar population. Between 2011 and 2021, samples of found dead and hunted wild boar have been examined for trichinellosis, tuberculosis, brucellosis, african swine fever, classical swine fever, Aujeszky’s disease, swine vesicular disease, and swine influenza A. Trichinella britovi was identified in 0.001% of the examined wild boars; neither M. bovis nor M. tuberculosis were found in M. tuberculosis complex positive samples; 2.3% were positive for Brucella suis; 29.4% of the sera were positive for Aujeszky’s disease virus; and 0.9% of the samples were positive for swine influenza A virus. With an uncertain population estimate, the number of animals tested, the number of positives, and the sampling method do not allow us to make many inferences but suggest the need to implement and strengthen the existing surveillance activity, as it seems to be the only viable alternative for safeguarding animal and human health.

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