红点病是目前青虾养殖的主要疾病。主要出现在每年的 8月中旬到 9月中旬，虽然未发现暴发性、大批量死亡，但其死亡具持久性、复发性。其病情发展如下：起始附肢、背甲、尾柄处有一到几个点，以后红点慢慢增多，严重的导致一侧黑鳃。重的半天，轻的 3～ 4天，虾爬上浅滩而亡 Red dot disease is the main disease of aquaculture. Mainly in mid-August each year to mid-September, although no outbreaks, high-volume deaths, but the death of a lasting, recurrent. The progression of the disease are as follows: the initial appendage, carapace, caudal peduncle at one to several points, after the red dot slowly increased, leading to serious black gills on one side. Heavy half-day, light 3 to 4 days, shrimp climb up the shallows and died