3Wolf. Fish viruses, histopathologic changes associated with experimental channel calfish virus disease Fish Res [ J]. Bdcan, 1972,29:149 - 150.
4Dooley J S, Mccubbin W D, Kay C M, et al. Isolati onand biochemical charactefizaion of the Slayer protein from apathogenic Aeromonas hydrophita strain [ J ]. Journal of Bact eriology, 1988, 170 : 2 631 - 2 638.
5Edwardj. NOGA. Fish Diseaes Diagnosis Aand Treatment[ M ]. Mosby year Book, Inc, 1996:206 -208.
6Dr. Georgepost. Textbookof Fish Health [ M ]. T. G. H. Puplications, Inc, Ltd, 1987 : 151 - 153.