The first host record of trichinosis in a red fox, Vulpes vulpes japonica, from Aomori prefecture, northern Honshu, Japan
2001
Kudo, N. (Kitasato Univ., Towada, Aomori (Japan). Coll. of Veterinary and Animal Sciences) | Arima, R. | Ohtsuki, M. | Oyamada, T.
A case of wildlife trichinosis was found in a red fox (Vulpes vulpes japonica) captured at Rokkasho, Aomori Prefecture on November 27, 1998. Trichinella larvae were obtained from almost all of the muscle tissues except for the masseter. The highest number of larvae per gram of tissue was found in the muscles of the gluteal region and throat. The lowest number was found in the diaphragm and tongue. Trichina cysts within the muscle fibers had groups of fatty cells at the poles, and minimal tissue reaction was observed around the cyst. No calcification was found in the cyst. These morphological findings suggested that the considerable time had elapsed since the invasion. This is the first case of trichinosis in a red fox in Japan.
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