4Ke X L, Wang J G, Gu Z M, et al. Morphological and molecular phylogenetic analysis of two Saprolegnia sp. (Oomycetes) isolated from silver crucial carp and zebra fish [J]. Mycological research,2009,113(5):637-44.
5Quiniou S M A, Bigler S, Clcm L M, et al. Effects of water temperature on mucous cell distribution in channel catfish epidermis: a factor in winter saprolegniasis[J]. Fish & Shellfish Immunology,1998,8(1): i- I I.
6Monica M S, Alan P, Kanak B. Saprolegnia bulbosa sp. nov. isolated from an argentine stream:taxonomy and comparison with related species[J] . FEMS Microbiology Letters,2007,268(2):225- 230.
7Velldt Brit： nie. International Hatchery Practice [M]. Positive Action Publications Ltd, UK, 2008,22(3): 11-13.
