多包条虫症の疫学的検討のための北海道小清水町における肉食動物3種の糞分析

概要

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As an epidemiological study of alveolar echinococcosis in Hokkaido, Japan, feces of three species of carnivores were collected in Koshimizu Town, where this zoonosis is highly prevalent. Of the 126 fecal samples, 6, 118 and 2 samples were of red foxes (Vulpes vulpes), dogs and cats, respectively, based on the collecting site, size and feature of guard hairs of carnivores detected from them. Upper molars and/or guard hairs of gray red-backed voles (Clethrionomys rufocanus) were obtained from the two feces of foxes, seven of dogs and one of a cat. Guard hairs of small Japanese field mice (Apodemus argenteus) were detected from each one feces of a fox and a dog. Upper molars and guard hairs of northern red-backed voles (C. rutilus) and guard hairs of large Japanese field mice (A. speciosus) were obtained from each one feces of foxes. These wild rodents, except for A. speciosus, are intermediate hosts of Echinococcus multilocularis in Hokkaido, so that it is important that they were eaten by not only the wild foxes, but also the domesticated dogs and cats.
富山大学の論文