Echinococcus multilocuraris –first recorded case of Norway rat (Rattus norvegicus) in Poland
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University of Life Sciences, Lublin, Poland
Department of Parasitology and Invasive Diseases, National Veterinary Research Institute, Pulawy, Poland
Krzysztof Tomczuk   

University of Life Sciences in Lublin, Akademicka 12, 20-033, Lublin, Poland
Echinococcus multilocularis is a very dangerous zoonotic parasite threatening human health. The red fox is the main definitive host, and cats and dogs less commonly. Rats can be intermediate hosts.

The aim of the study was to determine the parasitofauna of Norway rats and some cats and dogs living on a farm near a forest.

Material and Methods:
A parasitological section on 15 Norway rats was conducted. The internal organs were examined by means of macroscopic and microscopic methods. For molecular examination, a QIAmp DNA Mini Kit (Qiagen) was used.

Based on necropsy, parasitological and molecular examinations, of the 15 examined rats, 1 was found to have larvae of E. multilocularis, while 3 others had eggs of Hymenolepis diminuta, H. nana and Syphacia obvelata. The faeces of the pets did not contain any developmental forms of parasites.

This is the first case of Echinococcus multilocularis infestation in a rat in Poland.

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