黑鱼已成为近年内陆地区淡水养殖发展较快的品种之一,因黑鱼一般为两年上市,故其在北方地区的安全越冬显得十分重要,我们针对近年我市不断出现的黑鱼越冬死亡现象作了认真的总结和剖析,提出了一套较为可行的技术方案。并在2003年对我市120个养殖池塘作了越冬技术预防和跟踪指导 Blackfish has become one of the fastest growing freshwater aquaculture species inland in recent years. Because blackfish is generally listed for two years, it is very important for its safety and wintering in the northern region to win overwintering. In view of the overwintering phenomenon of blackfish in recent years in our city A serious summary and analysis, put forward a set of more feasible technical solutions. And in 2003 on the city’s 120 breeding ponds overwintering technology to prevent and track guidance