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Position: Home > Articles > Growth Characteristics of Epinephelus septemfasciatus and Epinephelus moara in Recirculating Aquaculture Systems(RAS) Progress in Fishery Sciences 2014,35 (5) 93-98

七带石斑鱼和云纹石斑鱼幼鱼在封闭循环水条件下的生长特性

作  者:
宋振鑫;陈超;吴雷明;李炎璐;王鲁;翟介明
单  位:
莱州明波水产有限公司;农业部海洋渔业可持续发展重点实验室
关键词:
七带石斑鱼;云纹石斑鱼;封闭循环水养殖;生长特性
摘  要:
观测研究了七带石斑鱼(Epinephelus septemfasciatus)幼鱼和云纹石斑鱼(Epinephelus moara)幼鱼在封闭式循环养殖系统中的生长特性,用SPSS 17.0软件中的Curve Estimation对相关数据进行模型分析与参数估计。结果表明,经过122 d的养殖,七带石斑鱼幼鱼平均体质量由(114.836±25.343)g增加到(213.861±38.604)g,相对增长率为0.707%,全长(TL)与养殖时间(t)的函数关系式为TL=-0.006t3+1.622t+13.954,体质量(W)与体长(BL)的关系式为W=0.436BL2.055;云纹石斑鱼幼鱼平均体质量由(79.620±13.007)g增加到(238.086±46.307)g,相对增长率为1.631%,全长(TL)与养殖时间(t)的函数关系式为TL=-0.013t2+2.008t+11.540,体质量(W)与体长(BL)的关系式为W=0.018BL3.083。两种幼鱼丰满度生长差异不显著(P>0.05),都保持在2.2-3.4之间。
译  名:
Growth Characteristics of Epinephelus septemfasciatus and Epinephelus moara in Recirculating Aquaculture Systems(RAS)
作  者:
SONG Zhenxin;CHEN Chao;WU Leiming;LI Yanlu;WANG Lu;ZHAI Jieming;Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences;College of Fisheries and Life Sciences, Shanghai Ocean University;Laizhou Mingbo Fisheries Limited Corporation;
关键词:
Seven-band grouper(Epinephelus septemfasciatus);;Kelp bass(Epinephelus moara);;Recirculating Aquaculture System(RAS);;Growth characteristics
摘  要:
Seven-band grouper(Epinephelus septemfasciatus) and Kelp bass(E.moara) grow fast and are considered to have great commercial potentials in marine fish cage culture in the temperate seas along the coast of Northeast Asia. There have been extensive aquacultural studies on these two species internationally in the past several decades. This study focused on the mass seed production technique of E.septemfasciatus and E.moara in China, which was newly developed in recent years. Recirculating aquaculture system(RAS) provides a stable environment for the fish growth that is not affected by natural conditions, hence has been the major breeding mode for a sustainable development in the aquaculture industry. In this mode one can easily compare the growth characteristics of different fish species. In this study we used curve estimation to analyze the model and to estimate the parameters for the growth of E.septemfasciatus and E.moara. Their growth was characterized based on the weights, the total lengths and the body lengths. After the 122-day culture, the average weights of E.septemfasciatus and E.moara increased from(114.836±25.343) g to(213.861±38.604) g and from(79.620±13.007) g to(238.086± 46.307) g respectively. The total lengths(TL) of E.septemfasciatus and E.moara could be described by functions TL=-0.006t3+1.622t+13.954 and TL=-0.013t2+2.008t+11.540 respectively, in which the variable t was the culture time. The relationship between the weight(W) and the body length(BL) of E.septemfasciatus and E.moara conformed to W=0.436BL2.055 and W=0.018BL3.083 respectively. The relative growth rates(RGR) were 0.707% for E.septemfasciatus and 1.631% for E.moara. E.septemfasciatus and E.moara did not show significant difference in the relative fatness(2.2-3.4, P>0.05).

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