Prevalence, antibiotic susceptibility, and genetic diversity of Salmonella, Campylobacter, and Escherichia coli O157:H7 collected at four Kansas beef cattle feedyards over 13 months

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dc.contributor.author Hyatt, D.R.
dc.contributor.author Galland, J.C.
dc.contributor.author Crupper, S.
dc.contributor.author Hawkins, L.
dc.contributor.author Anderson, N.V.
dc.contributor.author Stokka, Gerald L.
dc.date.accessioned 2010-09-02T20:26:46Z
dc.date.available 2010-09-02T20:26:46Z
dc.date.issued 2010-09-02T20:26:46Z
dc.identifier.uri http://hdl.handle.net/2097/4780
dc.description.abstract Salmonella, Campylobacter, and Eschericia coli O157:H7 are important foodborne pathogens, but longitudinal studies of their prevalence in beef cattle feedyards have not been done. Our long- term study involved 24,556 samples taken from beef cattle feedyards found overall prevalence’s of 4.87% for Salmonella, 20.1% for Campylobacter in hospital pen fecal samples, and 0.20% for E. coli O157:H7. Yard and pen differences (P<0.05) were detected. All 53 E. coli O157:H7 isolates were resistant to Talmicosin and Erythromycin, two antimicrobials used in food animal medicine. Their genetic diversity was high and did not indicate the presence of resident strains at the yards studied. Salmonella, Campylobacter, and E. coli O157:H7 were probably brought into the yards by shipments of new cattle. Many of these organismswere susceptible to antibiotics commonly used to treat beef cattle. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 97-309-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 804 en_US
dc.relation.isPartOf Cattlemen's Day, 1998 en_US
dc.subject Beef en_US
dc.subject Bacterial infection en_US
dc.subject Salmonella en_US
dc.subject Campylobacter en_US
dc.subject E. coli O157:H7 en_US
dc.subject Feedyards en_US
dc.subject Antibiotic susceptibility en_US
dc.title Prevalence, antibiotic susceptibility, and genetic diversity of Salmonella, Campylobacter, and Escherichia coli O157:H7 collected at four Kansas beef cattle feedyards over 13 months en_US
dc.type Conference paper en_US
dc.date.published 1998 en_US
dc.citation.epage 97 en_US
dc.citation.spage 96 en_US
dc.description.conference Cattlemen's Day, 1998, Kansas State University, Manhattan, KS, March 6, 1998 en_US


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