3Queipo z J A, Buda A A, Jim6nez M M J, et al. Evolution of microbial resistance to fluoroquinolones at a tertiary hospital [J]. Actas Urol Esp., 2000, 24(5) :381-387.
4Shaheen B W, Boothe D M, Oyarzabal O A, et al. Evaluation of the contribution of gyrA mutation and efflux pumps to fluoroquinolone and multidrug resistance in pathogenic Escherichia coli isolates from dogs and cats [ J ]. Am. J. Vet. Res., 2011, 72(1) :25-32.
5Clinical and Laboratory Standards Institute. CLSI M100-S22, Performance Standards for Antimicrobial Susceptibility Testing; Twenty-second Informational Supplement [ S ]. Wayne P A: Clinical and Laboratory Standards Institute, 2012.
6Clinical and Laboratory Standards Institute. CLSI VET01-A4, Performance Standards for Antimicrobial Disk and Dilution Susceptibility Tests for Bacteria Isolated From Animals; Apprpved Standard-Fourth Edition [ S ]. Wayne P A : Clinical and Laboratory Standards Institute, 2013.
8Clinical and Laboratory Standards Institute. Performance Standards for Antimicrobial Susceptibility Testing Twentieth Informational Supplement [S]. CLSI document M100-S22.
9Wayne, PA: Clinical and Laboratory Standards Institute, 2012. [CLSI]Clinical and Laboratory Standards Institute, Perform- ance Standards for Antimicrobial Disk and Dilution Susceptibil- ity Tests for Bacteria Isolated From Animals Approved Standard-Fourth Edition [ S]. CLSI document VET01-A4. Wayne, PA: Clinical and Laboratory Standards Institute, 2013.
10Jiang H X, Lti DH, Chen Z L, et al. High prevalence and widespread distribution of multi-resistant Escherichia coli iso- lates in pigs and poultry in China[J]. The Veterinary Journal, 2011,187(1) : 99-103.