Epizootic caused by β-Haemoltytic Streptococcus Species in Cultured Freshwater Fish

  • KITAO Tadatoshi
    Department of Fisheries, Faculty of Agriculture, Miyazaki University
  • AOKI Takashi
    Department of Fisheries, Faculty of Agriculture, Miyazaki University
  • SAKOH Ryomei
    Department of Fisheries, Faculty of Agriculture, Miyazaki University

書誌事項

タイトル別名
  • Epizootic caused by ベータ Haemoltytic Str

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抄録

Streptococcal infections have been frequently observed in cultured freshwater fish, tilapia (Tilapia nilotica), rainbow trout (Salmo gairdneri) and ayu (Plecoglossus altivelis) at farms in various districts of Japan. The causative agents isolated from diseased tilapia, rainbow trout and ayu had the same morphological as well as biochemical characteristics. All the strains were also serological homogeneous. These strains were found to be pathogenic to freshwater fish after intraperitoneal injection. The autoclaved and hot-HCl treated cells did not react with any of the group specific sera used: Lancefield A, B, C, D, E, F, G, H, K, L, M, N, O and MG. This organism was not identical to any strains of Streptcoccus previously reported.

収録刊行物

  • 魚病研究

    魚病研究 15 (3-4), 301-307, 1981

    日本魚病学会

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