草鱼病的防治是水产养殖中的一大难题,草鱼病中最常见最流行的“三大病”的致死率极高,笔者自1984年从事成鱼养殖以来,所见的本场及周围邻村的承包户每年草鱼成活率只有20～30％左右,许多人在喂养草鱼上心恢意冷,望而生畏。为此,笔者有意摸索预防草鱼“三大病”的秘诀,连续五年采用呋喃(口丹)作第一次清塘消毒,都取得了可喜的好效果,在淤泥较深的池塘效果更佳。在经呋喃(口丹)消毒的池塘中放养免疫过 Grass carp disease prevention and control is a major challenge in aquaculture, grass carp disease in the most common and the most common “three diseases” extremely high mortality rate, the author since 1984 engaged in adult fish farming, this field and the surrounding neighborhood Of the contractors annual grass carp survival rate of only about 20 to 30%, many people in the grass carp feed the cold, daunting. To this end, I intend to explore the prevention of grass carp “three diseases” tips, for five consecutive years using furan (oral Dan) for the first Qingtang disinfection, have achieved gratifying good results in the muddy pond better. In furan (oral) sterilized pond stocking immunization