7LIU J Y, LI A H. First case of Aeromonas schubertii infection in the freshwater cultured snakehead fish, Ophiocephalus argus (Can- tor), in China [J]. JFishDis, 2012, 35(5): 335 -342.
8REED L J, MUENCH H. A simple method of estimating fifty per- cent end points [J]. Am J Hyg, 1938, 27:493 -497.
9Clinical and Laboratory Standards Institute (CLSI). Performance standards for antimicrobial susceptibility testing: Eighteenth infor- mational supplement [ S ]. Pennsylvania USA, 2007 : 36 - 42.
10XIAO J f, WANG Q Y, LIU Q, et al. Isolation and identifica- tion of fish pathogen Edwardsiella tarda from maricuhure ira Chi- na [J]. Aquac Res, 2009, 40( 1 ) : 13 - 17.
