Phenotypic Antimicrobial Resistance Profiles of E. coli and Enterococcus from Dairy Cattle in Different Management Units on a Central California Dairy

Xunde Li^1,2*, Sharif S. Aly^2,3, Zhengchang Su⁴, Richard V. Pereira², Deniece R. Williams³, Paul Rossitto³, John D. Champagne³, Jennifer Chase¹, Tran Nguyen¹ and Edward R. Atwill^2*

¹Western Institute for Food Safety and Security, University of California, Davis, USA

²Department of Population Health and Reproduction, University of California, Davis, USA

³Veterinary Medicine Teaching and Research Centre, University of California, Davis, USA

⁴College of Computing and Informatics, University of North Carolina Charlotte, USA