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An exposure assessment model of the prevalence of Salmonella spp. along the processing stages of Brazilian beef

2016Journal article Open access
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dc.contributor.authorGonzales-Barron, Ursula
dc.contributor.authorPiza, Luciana
dc.contributor.authorXavier, Cristina
dc.contributor.authorCosta, Ernane
dc.contributor.authorCadavez, Vasco
dc.date.accessioned2018-01-25T10:00:00Z
dc.date.accessioned2018-01-30T16:39:43Z
dc.date.available2018-01-25T10:00:00Z
dc.date.available2018-01-30T16:39:43Z
dc.date.issued2016
dc.description.abstractBeef cattle carrying Salmonella spp. represents a risk for contamination of meat and meat products. This study aimed to build an exposure assessment model elucidating the changes in Salmonella prevalence in Brazilian beef along the processing stages. To this effect, the results of a number of published studies reporting Salmonella incidences were assembled in order to model conversion factors based on beta distributions representing the effect of every production stage on the Salmonella incidence on beef carcasses. A random-effects meta-analysis modelled the hide-to-carcass transfer of Salmonella contamination. The Monte Carlo simulation estimated the Salmonella prevalence in beef cuts from processing plants to be â∼1/46.1% (95% CI: 1.4-17.7%), which was in reasonable agreement with a pool (n = 105) of surveys' data of Salmonella in Brazilian beef cuts (mean 4.9%; 95% CI: 1.8-11.5%) carried out in commercial establishments. The results not only underscored the significant increase in Salmonella prevalence that can occur during evisceration/splitting and boning but also reinforced that, when hygienic slaughter procedures are properly implemented, the load of Salmonella can be reduced at dehiding, rinsing and chilling. As the model was based on a systematic review and meta-analysis, it synthesised all available knowledge on the incidence of Salmonella in Brazilian beef.pt_PT
dc.description.sponsorshipGonzales-Barron wishes to acknowledge the financial support provided by Portuguese Foundation for Science and Technology (FCT) through the award of a five-year Investigator Fellowship (IF) in the mode of Development Grants (IF/00570).
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGonzales-Barrón, Ursula; Piza, Luciana; Xavier, Cristina; Costa, Ernane; Cadavez, Vasco (2016). An exposure assessment model of the prevalence of Salmonella spp. along the processing stages of Brazilian beef. Food Science and Technology International. ISSN 1082-0132. 22, p. 10-20en_EN
dc.identifier.doi10.1177/1082013214560446pt_PT
dc.identifier.issn1082-0132
dc.identifier.urihttp://hdl.handle.net/10198/15340
dc.language.isoeng
dc.peerreviewedyespt_PT
dc.subjectBeef cutsen_EN
dc.subjectMeta-analysisen_EN
dc.subjectSimulationen_EN
dc.subjectSlaughterhouseen_EN
dc.subjectSystematic reviewen_EN
dc.titleAn exposure assessment model of the prevalence of Salmonella spp. along the processing stages of Brazilian beefen_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameGonzales-Barron
person.familyNameCadavez
person.givenNameUrsula
person.givenNameVasco
person.identifierR-000-HDG
person.identifier.ciencia-id0813-C319-B62A
person.identifier.ciencia-id441B-01AB-A12E
person.identifier.orcid0000-0002-8462-9775
person.identifier.orcid0000-0002-3077-7414
person.identifier.ridA-3958-2010
person.identifier.scopus-author-id9435483700
person.identifier.scopus-author-id9039121900
rcaap.rightsopenAccessen_EN
rcaap.typearticlept_PT
relation.isAuthorOfPublication17c6b98f-4fb5-41d3-839a-6f77ec70021a
relation.isAuthorOfPublication57b410e9-f6b7-42ff-ab3d-b526278715eb
relation.isAuthorOfPublication.latestForDiscovery17c6b98f-4fb5-41d3-839a-6f77ec70021a

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