易發生羅氏沼蝦黑體病的水體主要有3種:一是養殖中後期水體轉瘦、透明度較高的蝦塘;二是藻類過度繁殖、水體發出腥臭味或者水色發白、發黑的蝦塘;三是養殖中後期換水量大、換水頻繁的蝦塘。
防治羅氏沼蝦黑體病可采取以下措施:定ding期qi向xiang蝦xia塘tang水shui體ti中zhong潑po灑sa有you益yi微wei生sheng物wu製zhi劑ji,通tong過guo有you益yi微wei生sheng物wu及ji時shi分fen解jie塘tang底di和he水shui中zhong過guo多duo的de有you機ji物wu,防fang止zhi水shui質zhi老lao化hua,同tong時shi可ke以yi抑yi製zhi有you害hai藻zao類lei過guo度du繁fan殖zhi,保bao持chi藻zao相xiang和he菌jun相xiang平ping衡heng,為wei沼zhao蝦xia養yang殖zhi創chuang造zao一yi個ge有you利li的de環huan境jing。新xin開kai的de蝦xia塘tang,養yang殖zhi後hou期qi要yao定ding期qi向xiang水shui中zhong補bu充chong藻zao類lei所suo需xu要yao的de營ying養yang元yuan素su或huo者zhe能neng培pei肥fei水shui質zhi的de物wu質zhi,以yi維wei持chi水shui體ti的de正zheng常chang水shui色se,保bao證zheng蝦xia塘tang水shui質zhi始shi終zhong處chu於yu良liang好hao的de狀zhuang態tai。減jian少shao換huan水shui量liang和he降jiang低di換huan水shui頻pin率lv,以yi減jian少shao應ying激ji和he破po壞huai藻zao相xiang與yu菌jun相xiang的de平ping衡heng,維wei持chi水shui體ti生sheng態tai係xi統tong穩wen定ding。此ci外wai,在zai飼si料liao中zhong定ding期qi添tian加jia多duo維wei、免疫多糖等,以增強沼蝦的免疫力,促使蝦體正常蛻殼生長。
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