Article
Escherichia coli O157:H7 strains that persist in feedlot cattle are genetically related and demonstrate an enhanced ability to adhere to intestinal epithelial cells.
Applied and environmental microbiology - 1 Sept 2009
Carlson Brandon A, Nightingale Kendra K, Mason Gary L, Ruby John R, Choat W Travis, Loneragan Guy H, Smith Gary C, Sofos John N, Belk Keith E
Abstract excerpt
A longitudinal study was conducted to investigate the nature of Escherichia coli O157:H7 colonization of feedlot cattle over the final 100 to 110 days of finishing. Rectal fecal grab samples were collected from an initial sample population of 788 steers every 20 to 22 days and microbiologically analyzed to detect E. coli O157:H7. The identities of presumptive colonies were confirmed using a multiplex PCR assay...
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