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北方地区一些养鱼生产单位采用养鲤成鱼池放养鲢、鳙夏花培育秋片的养殖方式。此种方法虽有增产、增 效和提高水体利用率等优点,但培育鲢、鳙夏花仍需占用一定数量的鱼池。此外,鲤成鱼精养池5至6月份水体 尚未被充分利用也实属可惜(最低水温要达到15℃以上)。为此,笔者在精养鲤
Some fish production units in the northern region carp ponds to stocking silver carp, 鳙 summer flower cultivating fall autumn breeding methods. Although this method has the advantages of increasing yield, increasing efficiency and improving utilization rate of water bodies, it is still necessary to occupy a certain amount of fish ponds for the cultivation of silver carp and catfish summer flower. In addition, Lei carp fish pond from May to June the water is not yet fully utilized is also a pity (minimum water temperature to reach above 15 ℃). To this end, the author intensive carp