Japanese Journal of Veterinary Research;Volume 35, Number 2

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ISOLATION OF ECHINOCOCCUS MULTILOCULARIS FROM THE LIVER OF SWINE IN HOKKAIDO, JAPAN

KAMIYA, Masao;OOI, Hong Kean;OKU, Yuzaburo;OKAMOTO, Muneluro;OHBAYASHI, Masashi;SEKI, Naoki

Permalink : http://hdl.handle.net/2115/3035
JaLCDOI : 10.14943/jjvr.35.2.99
KEYWORDS : Echinococcus multilocularis;sterile hydatid cyst;swine;isolation;Mongolian gerbil;Japan

Abstract

Cysts from the liver of swine, naturally infected with Echinococcus in Hokkaido, were squashed finely, then injected into the peritoneal cavities of the Mongolian gerbils. Six months later, although no protoscoleces were observed in the cysts from the swine, well-developed cysts bearing mature protoscoleces of E. multilocularis were obtained from the injected gerbils. This observation showed that although E. multilocularis cysts in the liver of swine are sterile (i. e., lacking protoscoleces), they are viable and retain their ability to develop protoscoleces in the favourable rodent host.

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