Effect of n-3HUFA-Chlorella Supplied to Rearing Tank on Morphogenesis of Swimming Crab Zoeas of the Portunus trituberculatus (Brachyura: Portunidae)

DOI JASI 10 References
  • ARAI Daisuke
    Notojima Station, National Center for Stock Enhancement, Fisheries Research Agency
  • TAKEUCHI Toshio
    Faculty of Marine Science, Tokyo University of Marine Science and Technology
  • SUGITA Daisuke
    Faculty of Marine Science, Tokyo University of Marine Science and Technology
  • HAMASAKI Katsuyuki
    Faculty of Marine Science, Tokyo University of Marine Science and Technology
  • MARUYAMA Keigo
    National Research Institute of Fisheries and Environment of Inland Sea

Bibliographic Information

Other Title
  • ガザミ幼生の形態に及ぼす飼育水へのｎ‐３高度不飽和脂肪酸含有淡水クロレラ添加の影響
  • ガザミ幼生の形態に及ぼす飼育水へのn-3高度不飽和脂肪酸含有淡水クロレラ添加の影響

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Abstract

This study was conducted to examine the supplemental effect of n-3HUFA-Chlorella to rearing water on morphogenesis of swimming crab Portunus trituberculatus (Brachyura: Portunidae) zoeas. The longer supplementation with n-3HUFA-Chlorella conduced to excess morphogenesis of megalop at the fourth zoea stage, inhibiting normal metamorphosis from zoea to megalop. The longer supplementation also induced higher carcass DHA content of forth stage zoea. These suggests that n-3HUFA-Chlorella supplementation and carcass DHA content relate high mortality occurred at the metamorphosis from zoea to megalop.

Journal

  • Aquaculture Science

    Aquaculture Science 55 (1), 133-134, 2007

    Japanese Society for Aquaculture Science

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