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水库栏网养殖河蟹对调整渔业养殖品种结构,促进水产养殖业的发展具有积极的意义。在林七水库投放规格为4~6克/只的长江系扣蟹进行栏网养殖,收获成蟹规格多为110~220克/只,最大个体达356克/只,回捕率36%,养殖经济效益显著。
The breeding of crabs in the reservoir network has a positive effect on adjusting the structure of fishery breeding breeds and promoting the development of aquaculture. In the seven reservoirs, the Yangtze River buckle crab with the specification of 4 ~ 6 g / one was used to conduct the field screening. The harvest crab specifications were mostly 110-220 g / body, the largest individual was 356 g / body, the recovery rate was 36% Breeding significant economic benefits.