アルテミア給餌期のブリ仔稚魚の活力に対するＥＰＡのＤＨＡ代替効果

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タイトル別名
  • Substitutable Effect between Eicosapentaenoic Acid and Docosahexaenoic Acid in Artemia on Vitality of Larval Yellowtail.
  • アルテミア キュウジキ ノ ブリ シチギョ ノ カツリョク ニ タイスル EP

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A feeding experiment was conducted to examine the substitutability between dietary eicosapen-taenoic acid (EPA) and docosahexaenoic acid (DHA) in Artemia on the vitality of larval yellowtail Seriola quinqueradiata. The larval yellowtail (TL, 8.9mm) were fed Artemia containing different levels of EPA (2.3 ?? 5.5%) at the same levels of DHA (1.4%), or 5.2% of EPA without DHA for 16 days.<br>A positive relationship was found between larval vitality and EPA levels in Artemia with DHA. In terms of vitality, poor results were observed for larvae fed Artemia containing 5.2% of EPA alone. The vitality of larvae fed Artemia containing both EPA and DHA tended to be improved by increasing the EPA levels in Artemia. The vitality of larvae fed Artemia containing 2.3% of EPA with 1.4% of DHA was low, while it was improved when the EPA content in Artemia was increased to 4.0%. Moreover, it was also found that larval yellowtail could not convert dietary EPA to DHA.<br>These results have shown that the vitality of larval yellowtail could be improved by the combination of DHA with high levels of EPA in Artemia.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 63 (5), 765-772, 1997

    公益社団法人 日本水産学会

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