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斜带石斑鱼人工育苗技术试验

Studies on technique of artificial fry rearing of Epinephelus coioides

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【作者】 周仁杰林涛

【Author】 ZHOU Ren-jie, LIN Tao (Xiamen Institute of Fisheries, Xiamen 361005, China)

【机构】 厦门市水产研究所厦门市水产研究所 福建厦门361005福建厦门361005

【摘要】 试验获得初步成功 :用 50万粒受精卵孵得 3 4 .8万尾仔鱼 ,经 60日龄培育 ,获全长 2 0 .5~ 48.5mm(平均全长 2 6.5mm)的斜带石斑鱼鱼苗 0 .4万尾 ,育苗成活率达1 .2 %.试验期间育苗池水温、盐度的变化范围分别为 2 7.3~ 3 0 .5℃和 3 1 .5~ 3 2 .0 .试验采用如下饵料系列 :牡蛎担轮幼虫 轮虫 卤虫无节幼体 卤虫无节幼体 +冰冻桡足类、海水枝角类 .试验经历了 3个死亡高峰期 ,它们分别出现在育苗初期仔鱼开口阶段、稚鱼期 3 0~ 3 8日龄阶段和进入幼鱼期以后 ,本文讨论分析了其成因 .

【Abstract】 A technique of artificial fry rearing of Epinephelus coioides was reported. In this experiment 500 thousand eggs were used, 4 thousand young fish with the average of total length 26.5mm (20.5~48.5mm) were obtained after rearing 60 days. The survival rate through larvae stage to young fish stage was 1.2%. During the test period the temperature and salinity of seawater used in the laboratory pool were 27.3℃~30.5℃ &31.5~32.0 respectively. The feed processes for the larvae, juvenile and young fish were as follows: trochophore larvae of oyster-rotifer-artemia nauplii-artemia nauplii and copepod, cladocera. It was showed that death peek periods occurred in the bud of larvae stage (1~8d), the middle of juvenile stage (30~38d) and young fish stage (after 44d). The cause was analyzed and argued.

  • 【文献出处】 台湾海峡 ,Journal of Oceanography In Taiwan Strait , 编辑部邮箱 ,2002年01期
  • 【分类号】S965.334
  • 【被引频次】46
  • 【下载频次】474
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