Temporal Trends in Antimicrobial Resistance of Fecal Escherichia coli from Deer

  06 October 2021

The changing epidemiologic role of wildlife as reservoirs of antimicrobial-resistant bacteria (ARB) is poorly understood. In this study, we characterize the phenotypic resistance of commensal Escherichia coli from fecal samples of 879 individual white-tailed (Odocoileus virginianus; WTD) over a ten-year period and analyze resistance patterns. Our results show commensal E. coli from WTD had significant linear increases in reduced susceptibility to 5 of 12 antimicrobials, including broad-spectrum cephalosporins and fluoroquinolones, from 2006 to 2016.

Further reading: EcoHealth
Author(s): Gregory A. Ballash, Lohendy Munoz-Vargas, Amy Albers, Patricia M. Dennis, Jeffrey T. LeJeune, Dixie F. Mollenkopf & Thomas E. Wittum
Healthy Animals  


Unrestricted financial support by:

Antimicrobial Resistance Fighter Coalition


JSS University


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