飼育条件下におけるクロソイ (<I>Sebastes schlegeli</I>) 仔魚の生残と成長に対する水温と給餌条件の影響

DOI 日本農学文献記事索引 Web Site 被引用文献2件 参考文献29件
  • 陳 炳善
    Fisheries Research Station, Field Science Education and Research Center, Kyoto University
  • 中川 雅弘
    Goto Station, National Center for Stock Enhancement, Fisheries Research Agency
  • 山下 洋
    Fisheries Research Station, Field Science Education and Research Center, Kyoto University

書誌事項

タイトル別名
  • Effects of Feeding and Temperature on Survival and Growth of Larval Black Rockfish Sebastes schlegeli in Rearing Conditions

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抄録

Effects of feeding and temperature on survival and growth of black rockfish larvae were studied in four rearing experiments. In the feeding regime experiment, growth and survival rates were not significantly different between the combined rotifers and Artemia feeding regime and the Artemia only regime. In the feeding level experiment, total length at 20 days after birth was significantly different by feeding level as (1.5) = (1.0) > (0.5) > (0.1), where the feeding level (1.0) is the same level as fed in the hatchery and the other values indicate ratios compared to (1.0) . In the different temperature experiments, survival rates at the intermediate temperatures of 14°C, 18°C and 22°C were significantly higher than those at 10°C and 24°C. Growth rate tended to increase as temperature increased within the examined range from 10°C to 24°C. When larvae were reared under diel temperature change (14-18°C), survival and growth rates were between 14 and 18°C of fixed temperatures showing no beneficial effects of a diel change of temperature. The most efficient rearing method for hatchery rearing was concluded to be: using (1.0) feeding level of Artemia only during the larval period at a temperature range approximately 16-20°C.

収録刊行物

  • 水産増殖

    水産増殖 55 (4), 619-627, 2007

    日本水産増殖学会

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