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- Title
Selection of a new scallop strain, QN‐2, from the backcross of Peruvian scallop × bay scallop F<sub>1</sub> hybrids with bay scallops.
- Authors
Xu, Dongxue; Wang, Chunde; Liu, Bo; Chen, Min; Ke, Ke; Zhao, Yuming; Ma, Bin; Liu, Guilong; Zhao, Xia; Zhang, Jinsheng
- Abstract
Cross‐breeding has been successfully applied in agriculture and aquaculture industries to improve important production traits. In our previous studies, we produced the F1 hybrids with high heterosis in growth by crossing the bay scallops with the Peruvian scallops and selected a new strain, Bohai Red, from the F1 hybrids. In this study, we selected another new strain from the backcross (BC1) of the F1 hybrids with bay scallops. The base cohort (G0) was size‐selected from the BC1, and the G1, G2, G3 and G4 cohorts were produced with size‐selected brood stocks from the G0, G1, G2 and G3 cohorts respectively. Our results showed that average shell height, shell length, shell width and whole body weight of the G4 cohort were increased by 16.8%, 16.8%, 11.5% and 43.6%, respectively, compared with the unselected control group of bay scallop. This new strain has now become one of the major cultured Argopecten scallops in northern China waters and was later named QN‐2.
- Subjects
CHINA; HETEROSIS; BAY scallop; SCALLOPS; BODY weight; AQUACULTURE industry
- Publication
Aquaculture Research, 2019, Vol 50, Issue 12, p3692
- ISSN
1355-557X
- Publication type
Article
- DOI
10.1111/are.14329