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Please use this identifier to cite or link to this item: http://hdl.handle.net/11019/208

Title: The virulence of E. coli 0157:H7 isolated from Irish sheep and pigs to humans
Authors: Lenahan, Mary
Sheridan, James J.
O'Brien, Stephen
Keywords: Escherichia coli 0157:H7
E. coli
Sheep
Pigs
Lamb
Pork
Issue Date: Feb-2008
Publisher: Teagasc
Citation: The virulence of E. coli 0157:H7 isolated from Irish sheep and pigs to humans. The National Food Centre Research Report No. 96. Mary Lenahan et al. Dublin; Teagasc, 2008. ISBN 184170508X
Series/Report no.: The National Food Centre Research Report;No. 96
Abstract: Investigations were carried out at five sheep and five pig export abattoirs situated in the Republic of Ireland to determine the prevalence of E. coli O157:H7 in these animals at slaughter. This is the first study for the presence of E. coli O157:H7 on sheep and pigs to be carried out in Ireland. Faeces and pre- and post-chill carcass swabs were collected from pigs over a one year period between January and December 2004. Samples were collected from sheep over a 13-month period between February 2005 and February 2006. The pig study recovered E. coli O157:H7 from 0.24 % (n=4) of 1680 porcine samples while the sheep study isolated the pathogen from 2.1 % (n=33) of 1600 ovine samples. PCR analysis of E. coli O157:H7 isolates determined that they carried the virulence genes vt1, vt2, eaeA and hlyA typically associated with clinical illness in humans. The results presented indicate that Irish sheep and pigs are reservoirs for E. coli O157:H7 which may be potentially harmful to humans.
Description: End of Project Report
URI: http://hdl.handle.net/11019/208
ISBN: 184170508X
Appears in Collections:Food Safety
Food Programme End of Project Reports

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