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Improvement of growth and nutritional value in diet microalgae for aquaculture by utilization of allelopathy

Research Project

Project/Area Number 23780208
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field General fisheries
Research InstitutionNational Fisheries University

Principal Investigator

YAMASAKI Yasuhiro  独立行政法人水産大学校, その他部局等, 助教 (40598471)

Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywordsアレロパシー / 水産養殖 / 生物餌料 / 増殖促進効果 / 増殖制御 / 多糖 / タンパク質 / 餌料用微細藻類 / 自己増殖阻害 / 水産学 / 増殖抑制効果
Research Abstract

Better understanding of the factors that affect the growth of microalgae used as feed in the aquaculture industry will help to improve the mass-cultivation methods. On the other hand, allelopathy refers to any direct or indirect inhibitory or stimulatory effect of one plant on another through the secretion of chemicals into the growth medium. For developing the mass-culture method of diet microalgae, in this study, we investigated the allelopathic effects of several microalgae on the growth of diet microalgae. Results indicated that growth of the haptophyte Pavlova lutheri was significantly improved by the addition of filtrate prepared from the diatom Chaetoceros neogracile, and growth inhibition of P. lutheri was induced by a self-growth inhibitor. Thus, control of concentration and utilization of allelochemicals will contribute to improving the mass-culture methodology of diet microalgae such as P. lutheri.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (12 results)

All 2013 2012 2011 Other

All Journal Article (2 results) (of which Peer Reviewed: 1 results) Presentation (4 results) Remarks (6 results)

  • [Journal Article] 海産微細藻類の培養ろ液を用いた餌料用微細藻Pavlova lutheriの増殖改善2013

    • Author(s)
      山﨑康裕,疋田拓也
    • Journal Title

      日本水産学会誌

      Volume: 79 Pages: 875-877

    • Related Report
      2013 Final Research Report
  • [Journal Article] 海産微細藻類の培養ろ液を用いた餌料用微細藻 Pavlova lutheri の増殖改善2013

    • Author(s)
      山﨑康裕, 疋田拓也
    • Journal Title

      日本水産学会誌

      Volume: 79 Pages: 875-877

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Presentation] 微細藻類のアレロパシーが餌料用微細藻類Pavlova lutheriの増殖に与える影響2012

    • Author(s)
      疋田拓也,三井俊作,藤田雅紀,山﨑康裕
    • Organizer
      日本水産学会中国・四国支部例会
    • Place of Presentation
      福山大学(福山)
    • Year and Date
      2012-12-01
    • Related Report
      2013 Final Research Report
  • [Presentation] 微細藻類のアレロパシーが餌料用微細藻 Pavlova lutheri の増殖に与える影響2012

    • Author(s)
      疋田拓也, 三井俊作, 藤田雅紀, 山﨑康裕
    • Organizer
      平成 24 年度日本水産学会中国四国支部例会
    • Place of Presentation
      福山
    • Related Report
      2012 Research-status Report
  • [Presentation] 植物プランクトンによるアレロパシーが餌料用微細藻類の増殖に与える影響2011

    • Author(s)
      山﨑康裕,池田至,島崎洋平,大嶋雄治,上野俊士郎,本城凡夫
    • Organizer
      日本水産学会中国・四国支部例会
    • Place of Presentation
      水産大学校(下関)
    • Year and Date
      2011-12-03
    • Related Report
      2013 Final Research Report
  • [Presentation] 植物プランクトンによるアレロパシーが餌料用微細藻類の増殖に与える影響2011

    • Author(s)
      山崎康裕・池田至・島崎洋平・大嶋雄治・上野俊士郎・本城凡夫
    • Organizer
      日本水産学会中国・四国支部大会
    • Place of Presentation
      下関
    • Related Report
      2011 Research-status Report
  • [Remarks]

    • URL

      http://www2.fish-u.ac.jp/jellies/index1.htm

    • Related Report
      2013 Final Research Report
  • [Remarks] 日本水産学会中国・四国支部例会 優秀発表賞受賞(2011年12月3日)

    • Related Report
      2013 Final Research Report
  • [Remarks] 独立行政法人水産大学校教員研究情報データベース

    • URL

      http://perch.fish-u.ac.jp/

    • Related Report
      2012 Research-status Report
  • [Remarks] 独立行政法人水産大学校プランクトン研究室紹介ホームページ

    • URL

      http://www2.fish-u.ac.jp/jellies/index1.htm

    • Related Report
      2012 Research-status Report
  • [Remarks]

    • URL

      http://www2.fish-u.ac.jp/jellies/index1.htm

    • Related Report
      2011 Research-status Report
  • [Remarks] 学会発表(標題:植物プランクトンによるアレロパシーが餌料用微細藻類の増殖に与える影響,学会名:日本水産学会中国・四国支部大会)において、優秀発表賞を受賞した。

    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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