Determinants of the prevalence ofHeligmosomum costellatum(Heligmosomidae: Trichostrongyloidea) in a common vole population in southern Moravia, Czech Republic (original) (raw)

2010, Journal of Helminthology

A study of nematode (Heligmosomum costellatum) prevalence in the common vole (Microtus arvalis) population was performed in 2002 and 2003 in an agricultural region of southern Moravia, Czech Republic. The influence of the trapping date, body weight, age, gender and reproduction of the common vole on the prevalence of the larvae ofH. costellatumencapsulated in the stomach wall was examined. Of 503 common voles examined, 27.6% wereH. costellatumpositive. The prevalence ofH. costellatumin the common vole population was influenced mainly by the weight, trapping date, year and reproductive state, as well as by the interactions between year and gender and between year and reproductive state. The influence of age was weak. The most infected common vole groups were the older, heavier and already reproducing females captured from April to August and all voles captured in 2002. In general, parasite prevalence seems to be dependent on the population parameters of the host species. However, the...

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