野生黄鳝种群密度小．活动范围广，生活环境良好，其致病因素少，发病率低。高密度集约化养殖黄鳝具有经济效益显著的特点，但是近年来一些养殖户常为黄鳝疾病所困扰．尤其是黄鳝出血病，严重制约黄鳝养殖业的发展。今年7月，我公司养殖场出现了目前少有的黄鳝出血病病例，该病 Wild eel population density is small. A wide range of activities, good living environment, less risk factors, the incidence rate is low. Intensive breeding of high density eel with significant economic benefits, but in recent years some farmers are often plagued by diseases of the eel. Especially eel bleeding, seriously restricting the development of eel aquaculture. July of this year, my company farm there have been rare cases of eel bleeding, the disease