2004年省水产技术推广站组织9市40个县(区)开展了水产养殖病害测报。测报期从4月到12月。由于10月以后,水温较低,鱼类吃食量较小,病害少有发生,大部分市只监测到10月底,个别市监测到12月。参加测报的9个市为我省主要养殖区。测报的养殖品种由市、县根据当地情况自己决定,但多为 2004 Provincial Fisheries Technology Promotion Station organized 9 counties 40 counties (districts) to carry out aquaculture disease detection. The report period from April to December. Since October, the water temperature is lower, the fish eat less, less disease occurs, most of the city only to monitor the end of October, individual cities monitored in December. The 9 cities participating in the survey are the main breeding areas in our province. Reported breed by the city and county according to the local situation of their own decisions, but mostly