Breeding technology for large-size parents of Eriocheir sinensis
A large-scale technology for Chinese mitten crabs, which can be used in fish farming, application, and climate change adaptation. It can solve the problems of high mortality rate, low winter survival rate, and low seedling output of brood crabs, and is easy to promote and operate. Simple and practical method
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[0007] In the present invention, the crabs grown in lush aquatic plants, fresh water, and disease-free environments are selected to be healthy, plump, and have a high maturity coefficient. The size of female crabs is more than 150 grams, and the size of male crabs is more than 200 grams. The breastplate is clean and shiny, the body is yellow-green, bronze or dark green, with 4 frontal teeth, sharp, the notch between the two frontal teeth in the middle is the deepest, and the included angle is a right angle or an acute angle equal to or less than 90°, and the second leg is curved When close to the carapace, the length of the long segment and the bend of the carpus exceeds or is equal to the frontal tooth of the parent body of the mitten crab.
[0008] Temporary cultivation of Eriocheir sinensis parent body: From late October to early November every year, the Eriocheir sinensis parent body selected according to the selection conditions of Er...
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