1St George T D. Bovine ephemeral fever [M]. Coetzer J A W, Tus- tin R C. Infectious Diseases of Livestock. 211~t ed. Capetown:Ox- fiord University Press, 2005:1183-1193.
2Walker P J. Bovine ephemeral fever in Australia and the worht [J]. Curr Top Mierobiol hnmunol, 2005,292:57-80.
3S Nandi, B S Negi. Bovine el~hemeraI fe','er:a review [Jl. Compara- tive Immunology Micro- biology Infectious Diseases, 1999 (22): 81-91.