Method for establishing and breeding three matched breeding systems of Eriocheir sinensis
A technology for Chinese mitten crabs, individuals, applied in fish farming, applications, climate change adaptation, etc.
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[0024] According to the biological characteristics, life history characteristics and breeding objectives of river crabs, the present invention carries out germplasm evaluation and screening of wild mitten crabs collected from the main stream of the Yangtze River, establishes the original parents of breeding, and forms (second step foot length) Section length, interdental depth, and anterior carapace verrucous protrusion) and body weight were the breeding targets, and three matching breeding lines (A, B, and C) were constructed, and the three lines were selected in parallel using the group breeding method. Breeding to form selective breeding lines with different morphological characteristics, different growth speeds, different selection pressures and different genetic variations, which are used for the production and promotion of new varieties or improved varieties. The specific implementation is as follows:
[0025] 1. The source and screening of the original parent of the mat...
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