近年来,我县许多小型水库相继发生了鲢鳙鱼暴发性出血病,每年发病面积40公顷,造成死鱼5.4吨,直接经济损失达2.48万元。由于该病具有发病急、死亡率高、病情难以控制、且易反复的特点,需引起广大养殖户的高度重视,及时采取措施加以预防。笔者根据自己的工作实践,总结小型水库鲢 In recent years, many small reservoirs in our county have occurred outbreak of silver carp and bighead carp bleeding, the annual incidence of 40 hectares, resulting in dead fish 5.4 tons, the direct economic losses of 24,800 yuan. As the disease has a rapid onset, high mortality, difficult to control the disease, and easy to repeat features, the majority of farmers need to be given great importance to take timely measures to prevent it. According to my own work practice, the author summed up a small reservoir of silver carp