Analysis of growth performance and breeding value of “Ping You No.1”Japanese flounderand selection of parents

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Analysis of growth performance and breeding value of “Ping You No.1”Japanese flounderand selection of parents
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                        LIU Feng1LIU Feng1
1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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CHEN Songlin1CHEN Songlin1
1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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WANG Lei1WANG Lei1
1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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TIAN Yongsheng1TIAN Yongsheng1
1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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DENG Han1DENG Han1
1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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LIU Shoutang3LIU Shoutang3
1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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SUN Deqiang3SUN Deqiang3
1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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Affiliation:1. Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;2. College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306 China;3. Haiyang Yellow Sea Aquatic Product Co. Ltd., Haiyang 2651
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Abstract:

throughout the coastal areas of North China. In recent years, the species has exhibited growth rate depression, decreased fertility, and decreased disease resistance because of a number of factors, including changes in the environment and decreased quality of parent fish. Thus, the development of fast-growing offspring by crosswould aid the sustainable development of the with the traits of disease resistance and fast growing and Korea stock (KS) to establish 24 families, including a “Ping You NO.1” family. We measured thetotal length and body weight of these families at 450 days after hatching. We estimated theheritability of total length and body weight using a . The breeding value of all animals at 450-day was predicted using best linear unbiasedThe heritability of total length and body weight were 0.266 and 0.302, respectively,traits have moderate heritability. The correlation coefficients between breeding values andphenotypic values of the growth traits<0.01). Both growth and breeding ability were higherin Ping You No.1 than in the other families. We used a selection standard of ~30%, and found that 71.43% families of all were the same, selected based on breeding value and phenotypic value, respectively. Comparison of selection efficiency based on breeding value or phenotypic value revealed that the breeding value was better than the phenotypic valuefor growth traits: 35.38% to total length and 32.29% to body weight.

Key words:Paralichthys olivaceus; heritability; breeding value; Ping You No.1

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刘峰,陈松林,王磊,田永胜,邓寒,刘寿堂,孙德强. “鲆优1号”牙鲆生长和育种性能分析及亲本选留[J]. Jounal of Fishery Sciences of China, 2013,[volume_no](3):521-527

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