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0引言近几年,江苏省吴江地区养殖南美白对虾、鳜鱼发展迅速。吴江地区南美白对虾一般养殖两茬,在吴江及华东地区,适应南美白对虾生长的季节仅为5月中旬至10月中旬,10月下旬至翌年5月上旬共7个月的时间空闲。南美白对虾第二茬放养处在7月底、8月初,正是南美白对虾病害高发期,而
0 Introduction In recent years, the Wujiang area of Jiangsu Province breed Penaeus vannamei, catfish rapid development. Wujiang area Penaeus vannamei general breeding two stubble, in Wujiang and East China, to adapt to the growth of Penaeus vannamei season only mid-May to mid-October, late October to early May the following year a total of 7 months free time. Penaeus vannamei second staging stocking at the end of July, early August, it is Penaeus vannamei disease period, and