1993年,我国东南沿海各省市的养殖对虾发生了特大的暴发性流行病(欲称虾瘟),来势迅猛,流行广泛,损失惨重,使我国的养虾业遭到了沉重的打击。 据我们对该病的跟踪调查和试验发现,这次虾瘟的特点是发病早、传染快、病程短、死亡率高。从发现摄食量减少到大批死亡仅2—3天,最多是一周左右。病虾的体表除甲壳色素斑点 In 1993, the outbreak of epidemic disease (referred to as shrimp plague) occurred in farmed shrimp in all provinces and cities of the southeast coast of our country. The epidemic was rapid, the epidemic was widespread and the loss was heavy. As a result, the shrimp industry in our country was hit hard. According to our follow-up survey of the disease and the experiment found that the characteristics of the shrimp plague is early onset, rapid transmission, short course of disease, high mortality. From found that the amount of food intake reduced to a large number of deaths only 2-3 days, up to a week or so. Shrimp shrimp body surface in addition to chromaffin spots