当前，欧鳗养殖在我国已逐渐得以普及，然而困扰着坦农的主要问题是：欧鳗作为新品种，宜对并相特大要求较高，同时欧鳗众多的病害，直接威胁成活率的提高，广大鳗农迫切希望，水产科研工作者能送经下乡，及时为他们排忧解难。针对以上问杨，几年来，中国水产科学研究院淡水渔 At present, the European eel farming has gradually been popularized in our country. However, the main problems that plague the farmer are as follows: European eel as a new breed should be of great demand for both large and large eel species, and many European eel diseases directly threaten the survival rate , Eel farmers urgently hope that aquatic scientific research workers can be sent to the countryside, in time for them to solve problems. For the above asked Yang, a few years ago, Chinese Academy of Fishery freshwater fishing