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一些养蟹户在建蟹池时,都习惯在池塘中设蟹岛(一般1~3个),有的甚至占池水面积三分之一。我认为设蟹岛存在以下五大害处。 1.蟹池设蟹岛缩小了养殖水面,
Some crabs are accustomed to setting crab island (usually 1 to 3) in the pond while some crab-eating crabs are built, and some even account for one-third of the water area. I think there are five major disadvantages Crab Island. Crab pool crab island set to reduce the breeding water,