Rotational mating breeding method for pinctada fucata groups
A Hepu pearl oyster group technology, applied in the field of Hepu pinnacle oyster group rotation mating breeding, to achieve the effect of improving quality, improving genetic acquisition, and aggregation of excellent genes
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[0022] A Hepu pinnacle group rotation mating breeding method, comprising the steps of:
[0023] 1. Collect materials of Hepu pearl oyster populations from 3 different sources, including Sanya, Beihai, and Xuwen. Select 18 male individuals for each population, and construct 9 complete diallelic hybrid populations according to the ratio of male to female 2:1, and proceed in a conventional manner Seedlings are raised and reared, but the conditions for each colony remain the same.
[0024] 2. Randomly sample 1000 individuals from each group before the breeding season to measure the traits, calculate the average value of the traits and sort and number them; if it is multi-trait selection, it is necessary to calculate the comprehensive selection index I: for each trait (X i ) assigned a weighting coefficient (C i ), the sum of weighted coefficients is 1, different coefficients are given according to the importance of traits, and then the comprehensive selection index I is calculate...
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