1992年我场从6月份开始就有暴发性流行病发生,且发生面广,但鱼的死亡程度不同。一般的鱼池以每天几尾至十几尾地死亡,无明显的死亡日,但延续时间长;严重的每天死亡几千克多至100千克以上。该年我从县水产技术服务中心购进了一批鱼用克菌威,在全场进 In 1992, there was a fulminant epidemic in our farm since June, with a wide range of occurrences, but the fish died to varying degrees. The typical fish ponds die from a few days to a dozen or so dead days, with no apparent date of death but a long continuation; severe daily deaths of up to a few hundred kilograms up to 100 kilograms. That year I purchased from the county Aquatic Technical Service Center a group of fish with Cephaloke, into the audience