我场有大湖养鱼水面10万亩,鱼种池748.5亩,过去两年仅培育了三寸规格鱼种1千万尾,不能满足大湖养鱼需要,1959年利用了湖进行培养鱼种,一年就生产鱼种721.6万尾,较前两年增加83%。一、湖条件的选择1.准备利用的湖水深应常年保持在1米以上,以有利于鱼种在湖内暂 My field has a large lake fish 100000 mus, 748.5 acres of fish ponds, the last two years only breed 10 million three-inch size fish species, can not meet the needs of the Great Lakes fish culture, the use of the lake in 1959 to cultivate fish species, A total of 7.261 million fish were produced in a year, an increase of 83% over the previous two years. First, the choice of lake conditions 1. The depth of the lake to be used to maintain the perennial should be maintained at 1 m or more, in order to facilitate the species of fish in the lake temporarily