Prevalence of and risk factors for Escherichia coli O157 in market-ready beef cattle from 12 U.S. feedlots.

@article{Dewell2005PrevalenceOA,
  title={Prevalence of and risk factors for Escherichia coli O157 in market-ready beef cattle from 12 U.S. feedlots.},
  author={Grant A Dewell and Joel Ransom and Roger Dewell and Karr McCurdy and Ian Andrew Gardner and Ashley Hill and John N. Sofos and Keith E. Belk and Gary C. Smith and Mo D. Salman},
  journal={Foodborne pathogens and disease},
  year={2005},
  volume={2 1},
  pages={70-6}
}
Determination of Escherichia coli O157 prevalence immediately prior to shipment and harvest is an important facet of the ecology of this organism, which requires further elucidation. As part of a larger study to measure the effects of within-pen prevalence of E. coli O157 on subsequent carcass contamination, fecal samples from 15 pens of cattle in each of 12 different feedlots in three states (Colorado, Nebraska, and Montana) were collected from June through September 2002. Thirty fresh fecal… CONTINUE READING

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