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长江和瓯江的中华绒螯蟹豆蟹培育为扣蟹，长江蟹群体增重２２．０８倍，回捕率为４７．１８％；瓯江蟹群体增重６．１９倍，回捕率为１７．１０％。
The crabs and crabs from Yangtze River and Oujiang were nurtured as buckle crabs. The population of Yangtze crabs increased 22.08 times and the recovery rate was 47.18%. The population of Oujiang crabs increased 6.19 times and the recovery rate was 17.10%.