用辣蓼预防白头白嘴病效果较好白头白嘴病在草、青鱼夏花、鱼苗阶段均易发生，尤其是鱼苗下池１周后更为严重。白头白嘴病一旦发生后，发病速度快，死亡率也高，因此预防该病是鱼苗鱼种培育期间不可忽视的一环节。预防白头嘴病方法比较适用的有生石灰预防法及最近使用的辣... Use of Polygonum capitatum to prevent white head white mouth disease better Whitehead disease in the grass, blue carp summer flowers, fry stage are easy to occur, especially after 1 week of fry pool more serious. Once the occurrence of white-headed white-billed disease, the incidence rate is high, the mortality rate is also high, so the prevention of the disease is a fish can not be neglected during cultivation of fish links. Prevented whiteheads disease method is more applicable to the lime prevention law and recently used spicy ...