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渤海湾魁蚶吊笼与底播增殖实验研究
赵春暖, 蔡忠强, 郑言鑫, 于 涛, 林建国
中国水产科学研究院 长岛增殖实验站
摘要:
本文通过进行魁蚶吊笼养殖试验, 研究分析了不同入笼规格、挂养水层及放养密度对魁蚶的生长及存活率的影响, 比较了魁蚶吊笼养殖与底播养殖模式的不同差异。试验表明, 吊笼魁蚶的最适入笼规格为1.5cm; 越冬最适挂养水层为3.5m以上, 度夏最适水层为2.5~3m; 第一次越冬最适密度为1 000粒/层, 第一次度夏最适密度为500粒/层, 第二次越冬最适密度为200粒/层, 第二次度夏最适密度为100粒/层; 通过吊笼养殖至3~4cm规格后进行底播养殖, 能够有效提高魁蚶成活率, 由此可见,吊笼—底播接力养殖, 是提高魁蚶养殖效益的一种有效养殖模式。
关键词:  魁蚶  吊笼  生长速度  存活率
DOI:10.11759/hykx20170712003
分类号:
基金项目:国家贝类产业技术体系建设专项资金(CARS-49); 中国水产科学研究院级基本科研业务费专项资金资助项目(2015A02XK03); 山东省科技发展计划(2014GHY115031); 烟台市科技发展计划(2014BF147-1)
Experiment research of the cage culture and bottom sowing culture of Scapharca broughtonii in Bohai Gulf
ZHAO Chun-nuan, CAI Zhong-qiang, ZHENG Yan-xin, YU Tao, LIN Jian-guo
Abstract:
The purpose of this experiment was to investigate the impact of different cage inputting specifications on the growth and survival rates of Scapharca broughtonii. The study also compared the differences of cage culture and bottom sowing culture. The results indicated that the best cage inputting specification was 1.5cm. The cage inputting specification should be greater than 3.5cm during winter, but the best choice during summer was between 2.5cm and 3cm. The optimum density was 1000 ind/layer during the first summer and 500 ind/layer during the first winter. The optimal density during the second winter and summer period were 200 ind/layer and 100 ind/layer, respectively. According to the results of farming in hoisting cages, there could be greater survival rates if one begins bottom sowing culture when the length of S. broughtonii was between 3cm and 4cm. Therefore, these results demonstrated that relay breeding of S. broughtonii in the hoisting cage and the bottom of the sea could be an effective farming mode that could raise the efficiency of farming S. broughtonii.
Key words:  Scapharca broughtonii  hoisting cage  growth  survival rate
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