The gastrointestinal parasites and their prevalence of infections in root voles, Microtus oeconomus Pallas, were studied in the Haibei area, Qinghai Province, China. Feces were collected from 196 voles for analysis of intestinal coccidia; 37/196 (19%) were infected with Eimeria wenrichi, 8/196 (8%) with Eimeria ochrogasteri, 2/196 (1%) with Eimeria saxei, and 1/196 (0.5%) with Isposora mexicanasubsimi. We necropsied 67 voles and found 5 helminth species representing 1 nematode and 4 cestodes species; these were the spirurid nematode Mastophorus muris in 9/67 (13%), the cestodes Paranoplocephala macrocephala in 3/67 (4%) P. omphalodes in 2/67 (3%), Anoplocephaloides dentate in 1/67 (1.5%), and the cestode larval stage Cysticercus fasciolaris in 3/67 (4.5%). We provide photomicrographs to illustrate these gastrointestinal parasites from M. oeconomus in China for the first time; the 4 intestinal eimerians represent new locality records.
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Vol. 81 • No. 2