アユから分離されたNAGビブリオの生理学的性状および病原性

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タイトル別名
  • Physiological Characteristics and Pathogenicity of NAG Vibrio Isolated from Diseased Ayu
  • アユ カラ ブンリサレタ NAG ビブリオ ノ セイリガクテキ セイジョウ オ

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説明

In the previous report (MUROGA et al., 1979), a vibrio isolated from diseased ayu (Plecoglossus altivelis) was classified as non-cholera vibrio (non-agglutinable vibrio) on the basis of its morphological, biochemical and genetical characteristics.<BR>In this paper, physiological characteristics and pathogenicity of the organism are described.<BR>The experimental results are summerized as follows.<BR>1) Effect of NaCl, temperature and pH on the growth of the organism : It grew in broth (1%peptone)at NaCl 0-5%(optimum 1%), at temperatures 15-42°C(optimum 37°C), and at pH 7-10(optimum 8), respectively.<BR>2) Survival in waters:At 25°C the organism perished in distilled water within a few hours, but it survived 320 days in freshwater, 0.85%NaCl solution, Ringer solution, Ringer-Locke solution, sea water, and diluted sea water. At 2°C, however, it became extinct in 8 days in freshwater.<BR>3) Pathogenicity:Ayu infected by immersion method died at 21°Cand 26°C, but not at 16°C.The organism killed eels(Anguilla japonica)and mice.

収録刊行物

  • 魚病研究

    魚病研究 15 (2), 69-73, 1980

    日本魚病学会

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