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Alaria alata mesocercariae in domestic pigs and wild boars in South Banat, northern Serbia

Gavrilović, Pavle, Pavlović, Ivan, Todorović, Igor
Comparative immunology, microbiology, and infectious diseases 2019 v.63 pp. 142-144
Alaria, Alaria alata, Sus scrofa, diaphragm, game meat, magnetism, pathogens, swine, swine diseases, wild boars, Serbia
Alaria alata (Diplostomidae, Trematoda), a potentially zoonotic pathogen, is the only Alaria species in Europe. In recent years, increasing reports of mesocercariae of A. alata in wild boars have been recorded in European countries; however there have been no described cases in domestic pigs over the past decades. Out of 272 diaphragm samples from wild boars (Sus scrofa) and domestic pigs (Sus scrofa), from Serbia, included in the present investigations, mesocercariae of A. alata were found in six (3%) samples from wild boars and in two (2.77%) samples from domestic pigs. Due to the lack of sensitivity of artificial digestion with a magnetic stirrer which was applied in the study, the true prevalence is estimated to be considerably higher in the area of investigation. Confirming the infection in domestic pigs and a wide distribution in wild boars in the area of investigation, the present paper should influence the growing awareness of alariosis as a potential human disease. The meat from free-range domestic pigs and game meat as a potential source of alariosis should always be adequately thermally treated before consumption.