Studies on the heterotrophic bacteria in the gastrointestinal tract of fishes. II Comparison of microflora between intestinal contents and fecal pellets of freshwater fishes.

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  • Sugita Haruo
    Department of Fisheries, College of Agriculture and Veterinary Medicine, Nihon University
  • Tsunohara Mikio
    Department of Fisheries, College of Agriculture and Veterinary Medicine, Nihon University
  • Fukumoto Michikazu
    Department of Fisheries, College of Agriculture and Veterinary Medicine, Nihon University
  • Deguchi Yoshiaki
    Department of Fisheries, College of Agriculture and Veterinary Medicine, Nihon University

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Other Title
  • 淡水魚類の腸内容物および糞便中の細菌相の比較
  • 淡水魚類の腸内容物および糞便中の細菌相の比較〔英文〕
  • タンスイギョルイ ノ チョウナイヨウブツ オヨビ フンベンチュウ ノ サイキン

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Abstract

In order to determine the feasibility of the examination of fecat pellets hanging on the anus offish to determine the microflora of the intestine, the microflora of fecal pellets of goldfish andtilapia was compared with that of their intestinal contents. There were no significant differences inthe viable counts of the major components of bacteria between the two specimens from the samefish although the minor bacteria were not necessarily detected in both specimens. These resultsshow that the fecal pellets hanging on the fish are useful specimens to determine the intestinal microflora of the fish, and that serial sampling is possible in the same individual by this method.

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