Engineering Research Center for Shellfish Culture and Breeding of Liaoning Province;
College of Fisheries and Life Science;
Dalian Ocean University;
Dalian 116023;
China;
Tianjin Key Laboratory of Aqua-Ecology and Aquaculture;
Department of Fishery Sciences;
Tianjin Agricultural University;
Tianjin 300384;
China;
Tianjin Marine Ranching Technical Engineering Center;
Tianjin 300457;
China;
Ruditapes; philippinarum; mass; selection; realized; heritability; genetic; gain; inbreeding; depression;