コイの飼育生物過程における藻類増殖能と糞等残留率に及ぼす生菌剤添加給餌の影響

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タイトル別名
  • Effects of Probiotic Additives on Algal Growth Potential and Fecal Decreasing Rate in Culture of Carp, Cyprinus carpio.
  • コイ ノ シイク セイブツ カテイ ニ オケル ソウルイ ゾウショクノウ ト フン トウ ザンリュウリツ ニ オヨボス セイキンザイ テンカ キュウジ ノ エイキョウ

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抄録

To improve the ecological cycle in culture of carp, effects of Probiotic additives on algal growth potential (AGP) and fecal decreasing rates (FDR) were examined. Four experiments of carp culture fed on different amount of probiotic additives, “EARTH GENITOR”, were conducted: Exp-1 for 0% aid as control experiment, Exp-2 for 0.5% aid to the diets, Exp-3 for 2% aid to the diets, and Exp-4 for 5% aid. Higher AGP, 140% were obtained in Exp-3 and -4. Lower AGP, 82 to 100% were observed in Exp-2 and -1, respectively. Exp-2, -3, and -4 showed almost the same FDR, 1.43 to 1.63% per day, which was about two times higher than that of FDR in Exp-1, the control. These results suggest that probiotic additives in diets could mitigate the self-pollution in aquaculture.

収録刊行物

  • 水産増殖

    水産増殖 47 (4), 583-587, 1999

    日本水産増殖学会

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