1JEFFREY L WATTS,THOMAS R SHRYOCK,MICHAEL APLEY,et al.Performance Standards for Antimicrobial Disk and Dilution Susceptibility Tests for Bacteria Isolated From Animals;Approved Standard-Third Edition[M].Clinical and Laboratory Standards Institute(CLSI):CLSI document M31-A3,2008.
2Lee M D, Wonley R E. The effect of plasmid acquisition on potential virulence attributes of Pasteurella multocida [ J ]. Avian Dis,1995, 39(3) :451-457.