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温棚内水泥池 12个 ,规格 5m× 10m ,放养规格为 2 0 0只 /kg的豆蟹 4 0只 /m2 。池中设蟹礁、食台 ,投饵率 5 %~ 7% ,早期饲料以动物性为主 ,9月中旬后以植物性饵料为主 ,养成规格为 130 5~ 14 5 3g ,成活率 4 5 7%~ 5 2 1%。温棚养蟹存在成活率不高、水质易恶化的问题。
There are 12 cement ponds in the greenhouse, with a size of 5m × 10m and 40 stocking beans and crabs with stocking specifications of 200 pieces / kg. In the pond, crab reefs and feeding stations were set up. The feeding rate was 5% -7%. The early feed was mainly animal and the main plant food was bait after mid-September. The growth rate was 130 5-1 45 3g, and the survival rate 4 5 7% ~ 5 2 1%. There is a survival rate of raising crab in the greenhouse is not high, the water quality is easy to deteriorate.