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jian jue qing chu hu bo shui ku yang zhi shui mian de di hai yu lei
Author(s): 
Pages: 17-18
Year: Issue:  19
Journal: China Fisheries

Keyword:  敌害养殖水清除技术措施凶猛鱼类湖泊水库除害工作养殖场关键性为害;
Abstract: <正> 清除敌害,是湖泊、水库养鱼的一项关键性技术措施。养鱼敌害种类很多,凶猛鱼类和以鱼类为食的水鸟、水兽等,均应清除,但从当前情况看来,以黑鱼、鲶鱼、鳜鱼、鳡鱼、白鱼、狗鱼等凶猛鱼类为害最大。根据湖北黄沙湖养殖场的经验,每尾长至一斤重的黑鱼,要吃掉8~12斤其它鱼类,在其摄食最
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