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Red fox (Vulpes vulpes) as reservoir of parasites and source of zoonosis. This review presents data from Europe and Poland on the prevalence of helminth and protozoan parasites in red foxes (Vulpes vulpes). The most common nematodes were geohelminths: Uncinaria stenocephala, Toxocara canis and Toxocara leonina. As concerning Trichinella genus T. britovi was found more often than T. spiralis. Among tapeworms the following species were recorded: Mesocestoides lineatus, Taenia sp., and Echinococcus multilocularis. Detected cases of E. Multilocularis together with an increase of fox population during last few years create a potential human risk of infection. The results of many studies indicate rare presence of trematodes (Alaria alata) and protozoan parasites (Toxoplasma gondii, Neospora caninum, Leishmania spp., Eimeria spp.) in red foxes.
In present paper we supplement and summarize morphological data and taxonomical status of Rodentoxyuris sciuri - a parasite of red squirrel for the first time reported from Poland. Based on molecular data, we made an attempt to find the phylogenetic position of this nematode. Eight individual of squirrels collected from different parts of the city of Wroclaw (Lower Silesia, SW Poland) were subject to standard helminthological dissection. The helminthfauna of Sciurus vulgaris was represented by R. sciuri only, with the prevalence amounting to 100% (all eight individuals were infected) and a mean intensity of infection of 184.13. As a result of sequencing a partial sequence of 18S rDNA was obtained; and the phylogenetic relationships between analyzed species are discussed.
Calodium hepaticum (Bancroft, 1893) Moravec, 1982 - capillaria with an atypical life cycle. Calodium hepaticum (Bancroft, 1893) - commonly known as Capillaria hepatica is a nematode parasitising in liver of rodents, some domestic and wild mammals: Insectivora, Carnivora, Artiodactyla and Primates including human as well. C. hepaticum is the only nematode – geohelminth, which for the continuity of the life cycle needs the death of the host being the intermediate and final host at the same time. The eggs of the parasite deposited by female worms in liver of the host became entrapped in fibrotic tissue. C. hepaticum is a cosmopolitic nematode. Rats and mice (domestic and field) are the main hosts of this parasite, the prevalence of infection can be very high e.g. Rattus norvegicus - 100% in the Baltimore Zoo (Farhang-Azad 1977) as well as from the urban area of Milan (ltaly) - the prevalence of infection was 36% (Ceruti et al. 2001). Hepatic capillariasis was not recorded in our country but its existence seems to be very probable.
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