酵母クリームと濃縮淡水クロレラ併用給餌によるワムシの高密度大量培養

DOI 日本農学文献記事索引 Web Site 被引用文献2件 参考文献20件
  • 安部 謙
    山口県水産研究センター内海研究部
  • 吉村 研治
    福岡県栽培漁業公社
  • 双田 崇
    九州大学大学院生物資源環境科学府附属水産実験所
  • 酒本 秀一
    オリエンタル酵母工業株式会社
  • 吉松 隆夫
    九州大学大学院生物資源環境科学府附属水産実験所 九州大学大学院動物資源科学部門高次動物生産システム学講座
  • 田中 賢二
    近畿大学九州工学部生物環境化学科

書誌事項

タイトル別名
  • High Density Mass-culture of Rotifer by Feeding Yeast Cream and Condensed Freshwater<I>Chlorella</I>
  • コウボ クリーム ト ノウシュク タンスイ クロレラ ヘイヨウキュウジ ニ ヨル ワムシ ノ コウミツド タイリョウ バイヨウ

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抄録

Factory-made, condensed raw paste of baker's yeast, Saccharomyces cerevisiae, i.e. yeast cream was introduced as a culture feed in the effort to reduce the production cost of the rotifer, Brachionus rotundiformis in high density culture system. Although a sole use of the yeast cream could not attain stable rotifer growth, the maximum combination ratio of yeast cream to Chlorella paste successful in high density culture of rotifer was obtained in the case of fifty-fifty in the laboratory scale culture. Semi-continuous culture in the practical scale through 30 days was conducted with feeding 20 l/day of Chlorella paste during the lst-10th day and the 50% replacement of it with yeast cream during the 11th-30th day. During the test period, daily density and PV (packed volume) of rotifer were almost stable at 8×103 ind./ml and 8 ml/l, respectively. The yield co-efficiency of rotifer production was not different between for the first 10 days (39.4×108ind. /kl/day) and for the next 20 days (40.1×108 ind. /kl/day). The cost of feed for the production of 108 individuals of rotifer was 381 yen for the first 10 days and 313 yen for the next 20 days, decreasing by 20% with feeding yeast cream. Moreover, concentration of total ammonia in the culture medium and lorica length of rotifers were not changed with composition of the feed.

収録刊行物

  • 水産増殖

    水産増殖 49 (4), 489-494, 2001

    日本水産増殖学会

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