鱼种池塘套养河蟹苗种,采取精粗搭配,以草换鱼蟹的生态养殖方法,是一种低投入、高产出的饲养新模式。它能充分利用水体,实现立体养殖,利用自然饵料,达到减少成本,增加效益的目的。2006年5月20日笔者与同事在1口2亩大小的鱼种池里投放草鱼、鲢鱼花15万尾,鱼苗费220元,6月1日投放自然大眼幼体蟹苗1公斤,蟹苗费120元。 Fish ponds breed crab seed, take the fine and coarse collocation, with grass for fish and crab eco-farming methods, is a low input, high yield of feeding a new model. It can take full advantage of water, to achieve three-dimensional culture, the use of natural food, to reduce costs and increase efficiency. May 20, 2006 The author and his colleagues put a grass carp in a 2-acre fish pond of 150 hectares in size and fry fee of 220 yuan. On June 1, he put 1 kg of natural large-eyed larva of crab Miao 120 yuan.