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Helminth Fauna of Mouse-Like Rodents in the City of Moscow

机译：Helminth Fauna of Mouse-Like Rodents in the City of Moscow

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Abstract—Urban environmental conditions significantly influence the ecology of animals, including helminth communities. The response of the helminth community to ecological imbalances and their adaptation to life in the urban environment remain an urgent problem in parasitology. In this study, we aimed to compare the species diversity and distribution of helminths in urban forest parks with varying degrees of anthropogenic pressure. In urbanized areas of five locations of the city of Moscow, the parameters of infestation of model rodent species were assessed in comparison with a natural, slightly disturbed area (the Chernogolovka scientific and experimental base). The gastrointestinal tract was removed from individuals of the four most common rodent species (n = 158), Apodemus agrarius, Sylvaemus uralensis, Microtus arvalis, and Clethrionomys glareolus, which were caught using snap traps, followed by the determination of their number and their species identification and assessment of infestation by three parameters. The species composition of helminths and the presence of three parasite classes in the helminth fauna of the studied species predictably corresponded to the characteristics of the disturbed areas. In addition, a succession of the dominant helminth species (H.?polygyrus for H. spumosa) has been recorded, which indicates a significant effect of the helminth fauna of synanthropic species on the composition of parasite communities in wild species living in the city. Our study contributes to the accumulation of information about the species composition of endoparasite communities in mouse-like rodents in the city of Moscow, which is important for compiling an up-to-date epidemiological picture of the city.

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