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EN
Trichinellosis is still one of the most important food-borne parasitic zoonoses and is considered as a threat to public health worldwide. The aim of this study was to use genotyping techniques to determine the prevalence of Trichinella species in wild raccoon dogs (Nyctereutes procyonoides) in western Poland. The infection rate in raccoon dogs was 0.8%. All infections were due to T. spiralis.
EN
The raccoon dog Nyctereutes procyonoides (Gray, 1839) is an introduced canine species, currently widely distributed in Europe. The raccoon dog is a relatively new alien predator in Polish fauna and can be considered a threat to the native species. However, little is known about its distribution or habitat selection in western Poland. Until the 1970s, only 20 single records of raccoon dogs in the western and south-western parts'of Poland had been noted. New data on the numbers of raccoon dogs, its distribution and habitat preferences in the western Poland have been collected using questionnaires. 289 new localities have been reported. Raccoon dogs have been observed mostly in five types of habitats: forests, arable fields, banks of water bodies, roads and human settlements, wet meadows and marshes.
PL
W latach 2004-2005 zebrano dane o występowaniu i preferencjach siedliskowych jenota Nyctereutes procyonoides (Gray, 1839) na obszarze zachodniej Polski. Informacje o występowaniu jenota pochodzą przede wszystkim z danych uzyskanych z Parków Narodowych, Parków Krajobrazowych, Nadleśnictw i Klubów Łowieckich oraz z inspekcji terenowych. Do lat siedemdziesiątych dwudziestego wieku jenot znany był w zachodniej Polsce tylko z dwudziestu stanowisk. Aktualnie zebrano dane o 289 stanowiskach (Fig. 1). Jenot obserwowany był w lasach, na polach uprawnych, na brzegach zbiorników wodnych, wilgotnych łąkach i bagnach oraz w pobliżu siedzib ludzkich (Fig. 2).
EN
Parasites of an invasive species, the raccoon dog (Nyctereutes procyonoides) from western Poland were investigated to clarify poorly known ecological key aspects of the species. The research was conducted in two study areas: the Ujście Warty National Park and the Bogdaniec Forestry District. Intestinal samples were collected from the intestinal tracks of 39 dead animals and 51 faecal samples were collected in all seasons from latrines of raccoon dogs. Macro-parasites, their eggs and protozoan parasites were investigated to assess the taxonomic composition of parasites, the level of infection and the risk of potential transfer of dangerous parasites from raccoon dogs to people and native species. Among parasites potentially dangerous for human and native mammal species, Toxocara canis was found in the intestines and T. canis eggs, Cryptosporidium sp. oocysts and Entamoeba sp. cysts were identified in faecal samples. Sarcoptic mange was observed in the skin of two animals, whereas Diptera larvae (probably from the family Gasterophilidae) were found in the intestines of two other animals. This latter finding is very interesting, because Gasterophilidae are the typical parasites in horses and ungulates, but so far were never found in raccoon dogs.
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