人工孵化クロマグロの発育に伴う酸素消費量の変動

DOI 日本農学文献記事索引 Web Site 被引用文献3件 参考文献19件

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タイトル別名
  • Ontogenetic Change in Oxygen Consumption of Bluefin Tuna, Thunnus thynnus.

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To obtain basic information on artificial seed production for aquaculture of bluefin tuna, Thunnus thynnus, the ontogenetic change in oxygen consumption of artificially hatched bluefin tuna was investigated from egg to 132 days after hatching. Individual oxygen consumption (M, μl/min) of eggs was almost constant from morla to the appearance of Kupper's vesicle stage. Then, M rapidly increased from the heart beating stage (HB), at just before hatching it was about 8 times the volume before HB. After hatching, ontogenetic change of M showed a four-phasic allometry in relation to body mass (g) . Flection points were at the transitional period from endogenous to exogenous feeding, postflexion stage, and juvenile stage. During the endogenous feeding stage, M was almost constant. From the exogenous feeding to juvenile stage, M rapidly increased with the development of body weight. From the juvenile to young stage, the increase of M slowed down. It was shown that oxygen consumption of bluefin tuna rapidly increases at an early stage.

収録刊行物

  • 水産増殖

    水産増殖 47 (2), 269-275, 1999

    日本水産増殖学会

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