Appl Environ Microbiol. 1999 Jul;65(7):3233-5.

Effect of cattle diet on Escherichia coli O157:H7 acid resistance.

Hovde CJ, Austin PR, Cloud KA, Williams CJ, Hunt CW.

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Department of Microbiology, Molecular Biology, and Biochemistry, University of Idaho, Moscow, Idaho 83844, USA.

Abstract

The duration of shedding of Escherichia coli O157 isolates by hay-fed and grain-fed steers experimentally inoculated with E. coli O157:H7 was compared, as well as the acid resistance of the bacteria. The hay-fed animals shed E. coli O157 longer than the grain-fed animals, and irrespective of diet, these bacteria were equally acid resistant. Feeding cattle hay may increase human infections with E. coli O157:H7.

PMID:: 10388727; [PubMed - indexed for MEDLINE]
PMCID:: PMC91480

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