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Contamination of pig carcass with Salmonella enterica serovar Typhimurium monophasic variant 1,4 [5], 12: i:- originates mainly in live animals

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Contamination of pig carcass with Salmonella enterica serovar Typhimurium monophasic variant 1,4 [5], 12: i:- originates mainly in live animals

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dc.contributor.author Marin, Clara es_ES
dc.contributor.author Chinillac, Mª Carmen es_ES
dc.contributor.author Cerda-Cuellar, Marta es_ES
dc.contributor.author Montoro-Dasí, Laura es_ES
dc.contributor.author Sevilla-Navarro, Sandra es_ES
dc.contributor.author Marco-Jiménez, Francisco es_ES
dc.contributor.author Ayats, Teresa es_ES
dc.contributor.author Vega, Santiago es_ES
dc.date.accessioned 2021-09-09T03:35:24Z
dc.date.available 2021-09-09T03:35:24Z
dc.date.issued 2020-02-10 es_ES
dc.identifier.issn 0048-9697 es_ES
dc.identifier.uri http://hdl.handle.net/10251/171685
dc.description.abstract [EN] Pork is considered a major source of Salmonella Typhimurium infection in humans in the EU, including monophasic strains (mST). Widespread distribution of virulent serotypes such as monophasic variants of S. Typhimurium have emerged as a public health threat. Despite the current situation, within the EU there is no mandatory programme for the control of Salmonella at pork production level. In this con- text, the aims of this study were: to examine the presence of Salmonella in the swine production system from arrival at the slaughterhouse until the end of processing, and investigate the genetic relationship among serovars. A total of 21 pig herds were intensively sampled during processing at the slaughter- house. ERIC-PCR followed by PFGE were performed among isolates recovered at the different steps in the slaughterhouse to assess their genetic relationship. The results showed a high level of Salmonella pork batch contamination upon arrival at the slaughterhouse (71.4%) and at the end of the slaughtering pro- cess (66.7%), with mST the main serovar isolated from both origins (53.1% and 38.2%, respectively). Similarly, this study shows that 14.3% of the strains isolated from carcasses have the same Xbal-PFGE pro- file as those previously recovered in the slaughterhouse environment, but not in the live animals from that same batch. In conclusion, there is a high level of Salmonella swine batch contamination upon arrival at the slaughterhouse and at the end of the slaughtering process, mST being the most frequently isolated serovar. Moreover, a strong genetic relationship has been observed between strains isolated from the batch on arrival at the slaughterhouse, the processing environment and pork carcass contamination. In this sense, it would be necessary to implement a control programme to reduce the bacterium from pork farms and raise the awareness of biosecurity measures. es_ES
dc.description.sponsorship We wish to thank the slaughterhouse staff for their collaboration in the study and their technical support. In addition, we want to thank University CEU-UCH for the financial support (Consolidacion de Indicadores INDI 18/19 and IDOC 18/12). CERCA Programme from the Generalitat de Catalunya is also acknowledged. The English text version was revised by N. Macowan English Language Service. es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Science of The Total Environment es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Pork es_ES
dc.subject MST es_ES
dc.subject PFGE es_ES
dc.subject ERIC-PCR es_ES
dc.subject Slaughterhouse es_ES
dc.subject.classification PRODUCCION ANIMAL es_ES
dc.title Contamination of pig carcass with Salmonella enterica serovar Typhimurium monophasic variant 1,4 [5], 12: i:- originates mainly in live animals es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.scitotenv.2019.134609 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/Universidad CEU Cardenal Herrera//INDI 18%2F19/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/Universidad CEU Cardenal Herrera//IDOC 18%2F12/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ciencia Animal - Departament de Ciència Animal es_ES
dc.description.bibliographicCitation Marin, C.; Chinillac, MC.; Cerda-Cuellar, M.; Montoro-Dasí, L.; Sevilla-Navarro, S.; Marco-Jiménez, F.; Ayats, T.... (2020). Contamination of pig carcass with Salmonella enterica serovar Typhimurium monophasic variant 1,4 [5], 12: i:- originates mainly in live animals. Science of The Total Environment. 703:1-7. https://doi.org/10.1016/j.scitotenv.2019.134609 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.scitotenv.2019.134609 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 7 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 703 es_ES
dc.identifier.pmid 31753504 es_ES
dc.relation.pasarela S\400359 es_ES
dc.contributor.funder Universidad CEU Cardenal Herrera es_ES
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