草鱼是四大家鱼之一,它在水产养殖中仍占有比较 大的比例,2003年我国草鱼的养殖产量达349万吨。草 鱼出血病是草鱼鱼种培育阶段为害最大的一种鱼病,属 病毒性疾病,而了解草鱼出血病的发生、发展和分布 的规律,依据2001年和2002年全国养殖草鱼出血病病 情月报的数据进行分析,可以掌握草鱼出血病发生的季 Grass carp is one of the four major domestic fish, which still occupies a relatively large proportion of aquaculture. In 2003, the production of grass carp in China reached 3.49 million tons. Grass carp hemorrhagic disease is one of the most damaging fish diseases during the cultivation of grass carp. It is a viral disease, and understanding of the occurrence, development and distribution of grass carp hemorrhagic disease, according to the monthly reports of grass carp bleeding in 2001 and 2002 Data analysis, grass carp bleeding can master the season