论文部分内容阅读
近几年水产品价格滑坡现象较为严重，水产养殖户获利甚微，有的还出现亏损现象，池塘单一养殖青虾或河蟹因不能充分利用水体或饵料生物，养殖效益偏低。但通过虾蟹混养能有效克服上述不足，效益高且稳定。我们于２００１～２００２年在乐余东兴村７５亩的池塘进行了虾蟹混养生?
In recent years, the phenomenon of the decline of the price of aquatic products is more serious, with little profit for aquaculture farmers and some for losses. The single breeding of freshwater prawn or crab in ponds can not make full use of water bodies or bait organisms, resulting in low breeding benefits. But through the mixed culture of shrimp and crab can effectively overcome the above shortcomings, high efficiency and stability. We in 2001 ~ 2002 in Le Yu Tung Hing Tsuen 75 acres of ponds were mixed crabs students?