Risk Factors for Shedding of Shigatoxigenic E. Coli O157 and O26 in Cattle at Slaughter

G. Duffy; E. McCabe; C. Burgess

Risk Factors for Shedding of Shigatoxigenic E. Coli O157 and O26 in Cattle at Slaughter

In: 63rd International Congress of Meat Science and Technology

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G. Duffy

G. Duffy Teagasc Research Centre, Ashtown, Dublin 15, Ireland; geraldine.duffy@teagasc.ie

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E. McCabe

E. McCabe Teagasc Research Centre, Ashtown, Dublin 15, Ireland; geraldine.duffy@teagasc.ie

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, and

C. Burgess

C. Burgess Teagasc Research Centre, Ashtown, Dublin 15, Ireland; geraldine.duffy@teagasc.ie

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Type:: Chapter

Pages:: 535

DOI:: https://doi.org/10.3920/9789086868605_237

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This project investigated risk factor for super-shedding of E. coli O157 and O26 in cattle (n=1,317) presented for slaughter at three commercial beef abattoirs. The animal site examined was the recto anal junction which is known to be the site of colonisation for E. coli O157 in bovines. It showed that almost 50% of the animals shedding E. coli O157 (4.18%, 55/1317) were super-shedding E. coli O157 (counts >10⁴ cfu/g). It is one of the first studies to show bovine super-shedding of STEC O26, although at a very low level (0.23%, 2/1,317). No risk factors for super shedding were identified though whole genome sequencing showed some clustering of super shedding and low shedding isolates which requires further investigation.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

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- Life Sciences

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Risk Factors for Shedding of Shigatoxigenic E. Coli O157 and O26 in Cattle at Slaughter

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

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