Trichinellosis in wolves from Croatia
2009
Beck, Relja | Beck, Ana | Kusak, Josip | Mihaljević, Željko | Lučinger, Snježana | Živičnjak, Tatjana | Huber, Đuro | Gudan, Andrea | Marinculić, Albert
The aim of the present study was to investigate the prevalence of Trichinella infection in wolves (Canis lupus) in a 17,468km² area in Croatia. Muscle samples were collected from 67 wolves between 1996 and 2007 and analyzed by artificial digestion. Muscle larvae were detected in 21 wolves (31%) and genotyped by multiplex PCR. Trichinella britovi was the predominant species confirmed in 90% (19 wolves) while Trichinella spiralis was detected in 9% (2 wolves). The presence of the so called “domestic”Trichinella species was a surprise since, to date, only T. britovi had been reported in wild animals in this region. The larval burdens in infected animals ranged from 0.3 to 45.9 larvae per gram. The prevalence of infected animals varied by geographic region; infected animals were found in the region of Gorski Kotar (20%) which has very similar environment to the region of Lika, where almost all wolves were found infected. Interestingly, this is the first report of infected wolves in Dalmatia.
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