Distribution of Escherichia coli O157 in bovine fecal pats and its impact on estimates of the prevalence of fecal shedding

The distribution of Escherichia coli O157 in bovine feces was examined by testing multiple samples from fecal pats and determining the density of E. coli O157 in immunomagnetic separation (IMS)-positive fecal samples. The density of E. coli O157 in bovine feces was highly variable, differing by as m...

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Bibliographic Details
Published in:Applied and Environmental Microbiology 2004-10, Vol.70 (10), p.5737-5743
Main Authors: Pearce, M.C, Fenlon, D, Low, J.C, Smith, A.W, Knight, H.I, Evans, J, Foster, G, Synge, B.A, Gunn, G.J
Format: Article
Language:English
Subjects:
Animal Husbandry
Animals
Bacteria
Bacteriology
Biological and medical sciences
Cattle
Cattle - microbiology
Colony Count, Microbial - methods
Colony Count, Microbial - statistics & numerical data
Cross-Sectional Studies
Escherichia coli
Escherichia coli O157 - isolation & purification
Estimates
fecal shedding
Feces
Feces - microbiology
Fundamental and applied biological sciences. Psychology
immunomagnetic separation
Immunomagnetic Separation - statistics & numerical data
isolation
Microbiology
Monte Carlo Method
Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains
population density
Public Health Microbiology
sampling
Scotland
Sensitivity and Specificity
spatial distribution
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Summary:The distribution of Escherichia coli O157 in bovine feces was examined by testing multiple samples from fecal pats and determining the density of E. coli O157 in immunomagnetic separation (IMS)-positive fecal samples. The density of E. coli O157 in bovine feces was highly variable, differing by as much as 76,800 CFU g(-1) between samples from the same fecal pat. The density in most positive samples was
ISSN:0099-2240
1098-5336
DOI:10.1128/AEM.70.10.5737-5743.2004