ウナギ病魚からの非定型Ａｅｒｏｍｏｎａｓ　ｓａｌｍｏｎｉｃｉｄａの分離

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タイトル別名
  • Isolation of atypical Aeromonas salmonicida from diseased eel, Anguilla japonica.
  • ウナギビョウギョ カラ ノ ヒ テイケイAeromonas salmonici

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説明

In 1982, a bacterial disease occurred among cultured eel at the Fisheries Laboratory, University of Tokyo, in Shizuoka Prefecture.<BR>The typical symptom of this disease was a swollen head. Several fish were killed every day, and the total mortality by this disease was about 50-60%.<BR>The bacteria isolated from the diseased fish were Gram-negative and non-motile. Catalase, cytochrome oxidase, gelatinase, esculin hydrolysis, VP reaction and growth at 37°C were negative. Carbohydrate utilization was fermentative. Citrate utilization and indole production were positive. The organisms showed different reactions at maltose and mannitol utilization, and ONPG test. And one of the organisms (maltose-negative, mannitol-positive, and ONPG test-negative) has the same characteristics of the causative agent from ulcerative disease in goldfish.<BR>The present isolates showed pathogenicity for eel by the intraperitoneal injection.

収録刊行物

  • 魚病研究

    魚病研究 19 (2), 109-112, 1984

    日本魚病学会

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