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Ⅰ. 材料与方法 试验用海湾扇贝苗种是1985年春采自于乳山县石埠海珍品养殖试验场。4月底采卵育苗,5月中旬移到海上中间养育,7月8日从乳山运来胶州湾红石崖镇海水养殖场,卵苗平均壳高8mm。8月份长到壳高1.5cm以上时陆续分苗到养成笼中。9月l8日将养成笼中的海湾扇贝(当时约有20—30%的个体仍然附着在底盘上)倒出来,混合均匀,然后按给定的试验密度分装入试验容器中。试验用贝平均壳高27.6mm(22—37mm),平均体重6.7g。
Ⅰ. MATERIALS AND METHODS Test Gulf scallop seedlings were collected from the Rushan Haibuhai treasures breeding farm in the spring of 1985. The end of April ovipositing, mid-May moved to the middle of the sea raising, July 8 from Rushan shipped Jiaozhou Bay Hongshiya seawater farm, the average height of eggshell 8mm. In August when the shell is 1.5cm in height, seedlings grow up in succession. On September 18, the Duke of Shek O Ship (about 20-30% of the individuals were still attached to the chassis at that time) was poured out, mixed well, and then filled into test containers at the given test density. Test shell average shell height 27.6mm (22-37mm), the average body weight of 6.7g.