Breeding method of new thin-shell crassostrea hongkongensis variety
A technology for Hong Kong oysters and new strains is applied in the field of seed production of new strains of Hong Kong oysters with thin shells, which can solve the problems of not cultivating excellent new varieties of Hong Kong oysters, and achieve the effects of easy promotion, strong practicability and simple operation.
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[0021] The seed production method of the Hong Kong oyster thin-shell new strain of the present embodiment is as follows: figure 1 shown.
[0022] a. Initial screening: On June 10, 2012, during the oyster breeding season in Hong Kong, the shell thickness of five groups from Hengqin, Zhenhai Bay, Shenzhen Deep Bay, Guangxi Beihai, and Qinzhou were compared for shell thickness. 500 individuals; the shell weight, total weight, and fresh meat weight of each individual in each group were measured, and the proportion of shell weight and fresh meat weight was calculated (Table 1). It was found that the shells of the Zhenhaiwan population were relatively the thinnest, with an average shell weight of 73.6%, and a relatively high meat production rate of 18.3% on average.
[0023] b. Secondary optimization: the Zhenhaiwan population is used as the core group of thin shells, and 10% of the 500 individuals in step a have the thinnest shells and the highest meat yield as the preferred group...
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