飼育したイセエビ幼生に対するムラサキイガイ生殖巣の栄養価値

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タイトル別名
  • Nutritional Value of Blue Mussel <I>Mytilus galloprovincialis</I> Gonad for Cultured Larvae of Japanese Spiny Lobster <I>Panulirus japonicus</I>
  • シイク シタ イセエビヨウセイ ニ タイスル ムラサキイガイ セイショク ソウ ノ エイヨウ カチ

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The only food that can be used to rear Panulirus phyllosoma larvae up to the puerulus stage is the fresh gonad of the blue mussel Mytilus galloprovincialis; however, there is no report that clarifies why the aforementioned mussel gonad is suitable for rearing phyllosoma. To verify its nutritional value for cultured phyllosoma larvae, we conducted rearing experiments of the larvae during the mid- and late-phyllosoma stages of the Japanese spiny lobster Panulirus japonicus, fed with mussel gonads at different stages of sexual maturity. The growth rate of the larvae fed with mature ovaries was higher than those with immature gonads and mature testes. In addition, the intermolt period was shortened when the larvae were fed with mature ovaries. Furthermore, nutritional analyses of mussel gonads revealed that triglycerides in neutral lipids, and highly unsaturated n-3 fatty acids are important nutrients that accelerate the growth of P. japonicus larvae.

収録刊行物

  • 水産増殖

    水産増殖 59 (1), 9-18, 2011

    日本水産増殖学会

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