一、弧菌病 又称细菌病。通常由弧菌属的溶酸弧菌、副溶血弧菌所致。发病幼体活力下降,体色变白,感染率高达100％。保持虾苗适当密度,水质清新,合理投饵可有效预防此病。治疗此病的首选药物是土霉素、呋喃西林。治疗时土霉素可用3～5×10-6,呋喃西林1～3×10-6。 二、真菌病 在分类上属于非炎症型,常由链壶菌和离壶菌引起。感染时,真菌的游动孢子先在卵膜或幼体表面附着形成孢囊,囊孢子长出菌丝并穿透囊壳,进入卵子或幼 First, Vibriosis also known as bacterial disease. Vibrio vibrio usually caused by Vibrio, Vibrio parahaemolyticus caused. Incidence of young children decreased vitality white, infection rate as high as 100%. Maintain the appropriate density of shrimp, water quality fresh, reasonable feeding can effectively prevent the disease. The drug of choice for the treatment of the disease is oxytetracycline, nitrofurazone. Oxytetracycline treatment available 3 ~ 5 × 10-6, nitrofurazone 1 ~ 3 × 10-6. Second, fungal disease in the classification of non-inflammatory type, often caused by the chain of cholera and chytridge. When infected, zoospores of the fungus first attach to the surface of the egg membrane or larvae to form cysts, ascospores grow mycelium and penetrate the capsule shell, into the egg or young