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夏、秋季节,精养池的载鱼量达到饱和状况。此时一部分成鱼已达上市规格,应及时捕捞上市,这样既利于鱼类生长及大规格优质鱼种培育,又可减轻池塘的载鱼负荷。夏、秋季捕捞热水鱼应把握以下几项关键技术: 一、捕捞时间 一般应选择在晴好天气、凉爽、鱼不浮头的黎明前后或早晨水温较低时进行。因为这时拉网捕鱼对塘鱼的影响小,又可及时将捕
In summer and autumn, the amount of fish in the intensive pool reaches saturation. At this point a part of adult fish has reached the market specifications, should be timely fishing market, so that both conducive to fish growth and large-scale cultivation of quality fish species, but also reduce the load on the pond of fish. The fishing of summer and autumn hot water fish should grasp the following key technologies: First, the fishing time should generally be selected in fine weather, cool, fish do not float before dawn or in the morning when the water temperature is low. Because at this time pull net fishing on the impact of small ponds, they can catch in time