アワビ初期稚貝<I>Haliotis discus discus</I>の生残率と成長率に影響を及ぼす3種類の異なる微粒子飼料投餌方法

DOI 日本農学文献記事索引 Web Site 被引用文献1件 参考文献22件
  • STOTT Adrian Exon
    Laboratory of Fish Culture, Department of Aquatic Biosciences, Tokyo University of Fisheries
  • 竹内 俊郎
    Laboratory of Fish Culture, Department of Aquatic Biosciences, Tokyo University of Fisheries
  • 小池 康之
    Banda Marine Laboratory, Tokyo University of Fisheries
  • 今田 克
    Imada Consulting Engineer Office Naracho

書誌事項

タイトル別名
  • The Effect of Three Different Application Methods for an Artificial Micro Porticle Diet on the Survival and Growth Rate of Post-larval Abalone Haliotis discus discus (Reeve)
  • The effect of three different application methods for an artificial micro particle diet on the survival and growth rate of post-larval abalone Haliotis discus discus(Reeve)
  • effect of three different application methods for an artificial micro particle diet on the survival and growth rate of post larval abalone Haliotis discus discus Reeve

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抄録

A trial was conducted to determine the best diet application method, in terms of growth and survival, for feeding an artificial micro particle diet to post-larval abalone Haliotis discus discus (Reeve) . The experiment consisted of three different dietary application treatments that were replicated three times and randomly assigned a 100 mL beaker. The treatments were; artificial micro diet painted onto plates and fixed with an alginate binder (hereafter referred to as ‘Plate’), the diet removed from the plates and placed at the bottom of the beaker (hereafter referred to as ‘F.F.P’), and the diet sprinkled directly into the beaker (hereafter referred to as ‘Direct’) . The final size of post-larvae in the Plate treatment (1064±170μm) was significantly less than the other two treatments; REP (1459±85μm) and Direct (1351±142μm) . The highest specific growth rate of post-larvae was 37.9±2.2μm/d for F.F.P and lowest was 23.8±5.3μm/d for Plate. The post-larval abalone in the Plate treatment had a lower growth rate due to the fact that they did not reattach to the plates, instead choosing to stay on the bottom and sides of the beaker where little food was available. Leaching of nitrogen was reduced by over 50% when using the F.F.P method compared to the Direct method. There was no significant difference (P<0.05) in survival rate of post-larvae (range of 53.3%-70.0%) . F.F.P was the best method for feeding artificial micro particle diet to post-larval H. discus discus.

収録刊行物

  • 水産増殖

    水産増殖 51 (2), 197-203, 2003

    日本水産増殖学会

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