Genetic parameters and response to selection for body weight in turbot (<i>Scophthalmus maximus</i>, Linnaeus)

LYU Ding; WANG Weiji; LUAN Sheng; HU Yulong; GUAN Jiantao; LI Zhixiang; WU Huanhuan; KONG Jie; LIU Shoutang

doi:10.1007/s13131-018-1150-3

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Article Navigation > Acta Oceanologica Sinica > 2018 > 37(6): 47-51

LYU Ding, WANG Weiji, LUAN Sheng, HU Yulong, GUAN Jiantao, LI Zhixiang, WU Huanhuan, KONG Jie, LIU Shoutang. Genetic parameters and response to selection for body weight in turbot (Scophthalmus maximus, Linnaeus)[J]. Acta Oceanologica Sinica, 2018, 37(6): 47-51. doi: 10.1007/s13131-018-1150-3

Citation:

LYU Ding, WANG Weiji, LUAN Sheng, HU Yulong, GUAN Jiantao, LI Zhixiang, WU Huanhuan, KONG Jie, LIU Shoutang. Genetic parameters and response to selection for body weight in turbot (Scophthalmus maximus, Linnaeus)[J]. Acta Oceanologica Sinica, 2018, 37(6): 47-51. doi: 10.1007/s13131-018-1150-3

Citation:

LYU Ding, WANG Weiji, LUAN Sheng, HU Yulong, GUAN Jiantao, LI Zhixiang, WU Huanhuan, KONG Jie, LIU Shoutang. Genetic parameters and response to selection for body weight in turbot (Scophthalmus maximus, Linnaeus)[J]. Acta Oceanologica Sinica, 2018, 37(6): 47-51. doi: 10.1007/s13131-018-1150-3

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Genetic parameters and response to selection for body weight in turbot (Scophthalmus maximus, Linnaeus)

doi: 10.1007/s13131-018-1150-3

1.
Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China;Key Laboratory for Sustainable Utilization of Marine Fisheries Resources of Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
2.
Key Laboratory for Sustainable Utilization of Marine Fisheries Resources of Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
3.
Yellow Sea Fisheries Limited Company, Haiyang 265122, China

Received Date: 2017-05-17
Rev Recd Date: 2017-09-05

Abstract

Abstract

Genetic parameters and response to selection were estimated for harvest body weight in turbot. The data consisted of 10 952 individuals of 508 full-sib families from three generations (G0, G1, and G2). The heritability estimates for G0, G1, and G2 were 0.11±0.08, 0.18±0.09, and 0.17±0.07, respectively. Over three generations, the heritability estimate was 0.19±0.04. Maternal and common environmental effects were 0.10±0.04, 0.14±0.04, and 0.13±0.03 within each generation and 0.12±0.01 across generations. The selection differential in growth was 18.24 g in G0 and 21.19 g in G1 corresponding to an average of 19.72 g per generation. The genetic gains were also calculated, they were 22.06 g in G1 and 11.93 g in G2, corresponding to 6.36% and 3.52% body weight. The total genetic gain after two generations was 10.10% body weight, which indicated that the selective breeding program for the body weight trait in turbot was successful.
- turbot,
- genetic parameter,
- selective breeding,
- body weight

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References(26)

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