室内低盐度饲养大黄鱼的初步研究
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上海市科学技术委员会重点项目(11320501200;10JC1406200;09320503500);上海市教育委员会重点创新项目(10ZZ102);国家自然科学基金(31072228)


Studies on the indoor circulating culture of Pseudosciaena crocea at low salinity
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    摘要:

    研究了低盐度(盐度为10)条件下,室内养殖8月龄大黄鱼幼鱼的摄食、生长及存活率情况。低盐驯化30 d状态稳定后的8月龄大黄鱼幼鱼经8 h长途低盐度运输,养殖在盐度为10的室内半封闭循环水系统内,经5 d环境适应阶段和80 d饲料投喂阶段后,幼鱼平均体长由原来的5.31 cm 变为8.36 cm,增长率为0.04 cm/d,平均体重由原来的2.59 g增加到8.50 g,增重率为0.07 g/d,存活率为70.5%。由于投喂饲料的单一性以及幼鱼的低摄食率,在一定程度上造成幼鱼生长缓慢。实验为在河口入海地区及沿海围垦的低盐度水域的大黄鱼养殖奠定了基础。

    Abstract:

    Experiments were conducted to determine the feeding, growth and survival rate of eight month juvenile Pseudosciaena croceaduring low salinity domestication in an indoor circulating culture system. The juveniles were domesticated at salinity 10 ppt environment for 30 days and transported to the aquarium facilities at Shanghai Ocean University. After 8 hours transportation, the juveniles were cultured in indoor half closed circulating system at the salinity of 10. After 5 days environmental adaptation and 80 days of feeding period, the length of P.crocea increased from 5.31 cm to 8.36 cm, and the rate of growth was 0.04 cm per day. The weight increased from 2.59 g to 8.50 g, adding 0.07 g per day. The survival rate was 70.5%. Perhaps the commercial feed and the low grazing rate more or less lead to low growth rate of juveniles. Therefore, the result is expected to lay the foundation for the indoor desalination culture of P.crocea in the coastal reclamation and estuary district with low salinity waters.

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李 兵,王 帅,张 伟,吕为群.室内低盐度饲养大黄鱼的初步研究[J].上海海洋大学学报,2012,21(4):524-529.
LI Bing, WANG Shuai, ZHANG Wei, Lv Wei-qun. Studies on the indoor circulating culture of Pseudosciaena crocea at low salinity[J]. Journal of Shanghai Ocean University,2012,21(4):524-529.

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  • 在线发布日期: 2012-07-18
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