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Volume 34, Number 2 >

INFECTIVITY IN RODENTS AND COLD RESISTANCE OF TRICHINELLA SPIRALIS ISOLATAED FROM PIG AND POLAR BEAR, AND T. PSEUDOSPIRALIS

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.34.2.105

Title: INFECTIVITY IN RODENTS AND COLD RESISTANCE OF TRICHINELLA SPIRALIS ISOLATAED FROM PIG AND POLAR BEAR, AND T. PSEUDOSPIRALIS
Authors: OOI, Hong Kean Browse this author
KAMIYA, Masao Browse this author
OHBAYASHI, Masashi Browse this author
NAKAZAWA, Masatoshi Browse this author
Keywords: Trichinella spiralis
T.pseudospiralis
infectivity
rodent
cold resistance
Issue Date: 30-Apr-1986
Publisher: The Graduate School of Veterinary Medicine
Journal Title: Japanese Journal of Veterinary Research
Volume: 34
Issue: 2
Start Page: 105
End Page: 110
Abstract: Infectivity in ICR mice and Wistar rats, and resistance to low temperature were compared among T. spiralis isolated from a polar bear in Sapporo, Japan (designated p.bear isolate), T.spiralis isolated from pig in Poland (designated pig isolate) and T.pseudospiralis. The infectivity rate in the ICR mice of the T.spiralis-p. bear isolate was the same as T.pseudospiralis. However, the T.spiralis-pig showed an exceptionally high infective rate not only in mice but also in Wistar rats. T.spiralis-p. bear showed an exceptionally low infectivity rate in rats but was comparatively resistant to low temperature treatment, surviving at -20℃ for a month. Nevertheless, all three Trichinella were not viable after one day at -40℃. Comparison of the length of the muscle larvae recovered 20-24 months after infection in mice showed that it is possible to distinguish the larvae of T.spiralis-pig isolate from T.pseudospiralis but not T.spiralis-p.bear isolate from the other two.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/2975
Appears in Collections:Japanese Journal of Veterinary Research > Volume 34, Number 2

Submitter: 獣医学部図書室

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