コイ腸管内における細菌の分布

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タイトル別名
  • Distribution of microflora in the intestinal tract of carp Cyprinus carpio.
  • コイ腸管内における細菌の分布〔英文〕
  • コイ チョウ カンナイ ニ オケル サイキン ノ ブンプ エイブン

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抄録

The present study was undertaken to investigate the localization of microflora in the intestinal tract of carp Cyprinus carpio. Aeromonas, Enterobacteriaceae, Pseudomonas and Bacteroides type A were predominantly detected in almost all intestine segments, although they did not necessarily increase gradually during the passage of contents from the fore- to post-intestine. Furthermore, the phenomenon was found that the percentage of each aerobe/facultative anaerobe dropped and that of each obligate anaerobe raised with the increase of total viable count (TVC). No antagonistic interaction, mediating the growth-inhibiting substance, was observed between the aerobes/facul-tative anerobes and the obligate anaerobes. Therefore, the above phenomenon may be attributed to the Eh or O2 concentration in each site of intestines because the growth of obligate anaerobes and aerobes is inhibited by the O2 at high and low concentrations, respectively.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 56 (7), 1133-1138, 1990

    公益社団法人 日本水産学会

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