对虾弧菌病发生时临界菌值的研究  

A study on critical level of bacterial number causing vibriosis of Penaeus orientalis

作　　者：贺天笙[1] 杨立艾 陈洪连 唐天德[3] 

机构地区：[1]江苏连云港市卫生防疫站,222000 [2]江苏连云港盐务局水产养殖公司,222000 [3]江苏省淡水水产研究所,南京210017

出　　处：《水产养殖》1993年第2期21-23,共3页Journal of Aquaculture

摘　　要：通过对3000多公顷虾池检测496份病虾及水体,均证明致使对虾发生弧菌病、气单胞菌病时的临界菌量值为10^(4.5)～10~5个/ml,当虾池中弧菌数达到10^(4.5)个/ml时,对虾就可能发病,此时就需用药物预防或换水,并证明弧菌菌量与水温、饵料、对虾密度的关系为正相关.The occurence of vibriosis of Penaeus orientalis was associated with the number of the vibrio in pond water, and the critical level of bacterial number was 10~5b/ml. According to this datum, the authors suggest that the control-measure should be taken when bacterial number reached 10^(4.5)b/ml. The authors also find that the bacterial number was positively correlated with the water temperature, the amount of feed and the density of prawn in the pond.

关 键 词：对虾 弧菌病 临界菌值 

分 类 号：S945.26[农业科学—水产养殖]