Diversity and Distribution of Commensal Fecal Escherichia coli Bacteria in Beef Cattle Administered Selected Subtherapeutic Antimicrobials in a Feedlot Setting
Ranjana Sharma, Krysty Munns, Trevor Alexander, Toby Entz, Parasto Mirzaagha, L. Jay Yanke, Michael Mulvey, Edward Topp, and Tim McAllister
Appl Environ Microbiol. 2008 October; 74(20): 6178–6186. Published online 2008 August 22. doi: 10.1128/AEM.00704-08.PMCID: PMC2570304