1.黑鳃病症状:病虾鳃部颜色由红棕色变成黑色,鳃内外布满菌丝,影响呼吸,导致死亡。防治方法:①抽除池底淤泥,减少病原体繁殖机会。②可用浓度为1毫克/升的漂白粉溶液全池泼洒。③用0.3毫克/升的二溴海因或0.15毫克/升的聚维酮碘全池泼洒,同时每千克饲料中添加中水VCE2克和虾宁2 1. Black gill disease symptoms: shrimp gill color from reddish brown into black, covered with mycelium inside and outside the gills, affecting breathing, leading to death. Prevention and treatment methods: ① pumping bottom sediment, reduce the chance of pathogen breeding. ② available concentration of 1 mg / l bleach solution Quanchiposa. ③ with 0.3 mg / l dibromo-Hain or 0.15 mg / l povidone-iodine Quanchiposa, while adding per kilogram of feed water VCE2 grams and Shrimp Ning 2