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Registro Completo |
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
14/12/2020 |
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Data da última atualização: |
14/12/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
KICH, J. D.; SOUZA, A. I. A.; MONTES, J.; MENEGUZZI, M.; COSTA, E. de F.; COLDEBELLA, A.; CORBELLINI, L. G.; CARDOSO, M. R. de I. |
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Afiliação: |
JALUSA DEON KICH, CNPSA; AGNES I. A. SOUZA, UFRGS; JÚLIA MONTES; MARIANA MENEGUZZI; EDUARDO DE FREITAS COSTA, UFRGS; ARLEI COLDEBELLA, CNPSA; LUIS GUSTAVO CORBELLINI, UFRGS; MARISA RIBEIRO DE ITAPEMA CARDOSO, UFRGS. |
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Título: |
Investigation of Listeria monocytogenes, Salmonella enterica and Yersinia enterocolitica in pig carcasses in southern Brazil. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, v. 40, n. 10, p. 781-790, 2020. |
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DOI: |
10.1590/1678-5150-PVB-6628 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The intensification of pig production and advances in the sanitary control of herds profoundly changed the profile of risk attributed to pork consumption. In the actual scenario, most microorganisms related to macroscopic lesions observed in the post mortem inspection are not transmitted by food, while foodborne bacteria of importance to consumer health do not cause macroscopic lesions. In Brazil, the ?Ministério da Agricultura, Pecuária e Abastecimento? requested a scientific opinion on the prioritizing of pathogens potentially transmitted by unprocessed pork. After conducting a qualitative risk assessment, only Salmonella enterica was classified as of high risk to consumers. The present study was part of the validation step of the risk assessment and aimed to investigate the frequency of S. enterica, Yersinia enterocolitica and Listeria monocytogenes and hygienic-sanitary indicators in pig carcasses of pigs rose under intensive production and slaughtered under the Federal Inspection System in three slaughterhouses located in Southern Brazil. Additionally, the antimicrobial resistance profile of the isolated pathogens was also investigated. A total of 378 carcasses were sampled by superficial sponges before the chilling step in three slaughterhouses. Samples were investigated for the presence of the three aforementioned pathogens and subjected to enumeration of Colony Formation Units (log CFU.cm-1) of total aerobic mesophiles (TAM) and Enterobacteriaceae. Salmonella strains were tested by disc diffusion test for resistance to eleven antimicrobials. There were significantly statistical differences (p<0.0001) on the median counts of both indicators between the slaughterhouses. The median of TAM was very close for Slaughterhouses A and B: 1.573 log CFU.cm-1 and 1.6014 log CFU.cm-1, respectively. While in Slaughterhouse C, a higher TAM median was detected (2.216 log CFU.cm-1). A similar profile was observed regarding to Enterobacteriaceae, and medians were calculated as follow: -0.426 log CFU.cm-1 in Slaughterhouse A; 0.2163 log CFU.cm-1 in B; and 0.633 log CFU.cm-1 in C. Regarding the pathogens investigated, L. monocytogenes was not detected and only one carcass from Slaughterhouse C was positive for Y. enterocolitica. Thus, the results suggest a very low prevalence of L. monocytogenes and Y. enterocolitica in the sampled population. A total of 65 (17.2%) carcasses were positive for S. enterica, with a difference in frequencies between slaughterhouses and slaughter days. The prevalence of Salmonella positive carcasses was higher in the Slaughterhouse C (25.4%; CI 95% 19-32%) in comparison with A (9.5%; CI 95% 9-14%) and B (18.3%; CI 95% 12-24%). There was no significantly statistical association between Enterobacteriaceae counts and Salmonella isolation on carcass surface (p=0.69). The slaughtering day, nested within the slaughterhouse, explains 31.3% of Salmonella prevalence variability. S. Typhimurium (38.1%) was the most prevalent, followed by S. Infantis (30.1%). Among the 61 Salmonella strains tested for resistance to antimicrobials, 18 (31.6%) were full-susceptible. No strain displayed resistance to azithromycin, ceftazidime, cefotaxime and meropenem. The highest resistance frequency was displayed to tetracycline (54.1%), followed by ampicillin (50.82%), nalidixic acid (42.62%) and chloramphenicol (42.62). Multi-resistance was detected in 52.54% of the, strains. In conclusion, S. enterica is more prevalent in pre-chill pig carcasses than Y. enterocolitica and L. monocytogenes and thus should be prioritized in monitoring and control programs at slaughter. Salmonella serovars varied among slaughterhouses and present significant differences in their resistance to antimicrobials. Slaughterhouses that present higher medians of TAM or Enterobacteriaceae in a monitoring period may have higher S. enterica prevalences as well. However, there is a high variation of S. enterica prevalence among slaughter days, which cannot be always related to the hygienic indicators counts observed on a given day. MenosAbstract: The intensification of pig production and advances in the sanitary control of herds profoundly changed the profile of risk attributed to pork consumption. In the actual scenario, most microorganisms related to macroscopic lesions observed in the post mortem inspection are not transmitted by food, while foodborne bacteria of importance to consumer health do not cause macroscopic lesions. In Brazil, the ?Ministério da Agricultura, Pecuária e Abastecimento? requested a scientific opinion on the prioritizing of pathogens potentially transmitted by unprocessed pork. After conducting a qualitative risk assessment, only Salmonella enterica was classified as of high risk to consumers. The present study was part of the validation step of the risk assessment and aimed to investigate the frequency of S. enterica, Yersinia enterocolitica and Listeria monocytogenes and hygienic-sanitary indicators in pig carcasses of pigs rose under intensive production and slaughtered under the Federal Inspection System in three slaughterhouses located in Southern Brazil. Additionally, the antimicrobial resistance profile of the isolated pathogens was also investigated. A total of 378 carcasses were sampled by superficial sponges before the chilling step in three slaughterhouses. Samples were investigated for the presence of the three aforementioned pathogens and subjected to enumeration of Colony Formation Units (log CFU.cm-1) of total aerobic mesophiles (TAM) and Enterobacteriaceae. Salmonel... Mostrar Tudo |
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Palavras-Chave: |
Brasil. |
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Thesagro: |
Carcaça; Salmonella Enteritides; Suíno. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/219160/1/final9620.pdf
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Marc: |
LEADER 04896naa a2200265 a 4500
001 2128090
005 2020-12-14
008 2020 bl uuuu u00u1 u #d
024 7 $a10.1590/1678-5150-PVB-6628$2DOI
100 1 $aKICH, J. D.
245 $aInvestigation of Listeria monocytogenes, Salmonella enterica and Yersinia enterocolitica in pig carcasses in southern Brazil.$h[electronic resource]
260 $c2020
520 $aAbstract: The intensification of pig production and advances in the sanitary control of herds profoundly changed the profile of risk attributed to pork consumption. In the actual scenario, most microorganisms related to macroscopic lesions observed in the post mortem inspection are not transmitted by food, while foodborne bacteria of importance to consumer health do not cause macroscopic lesions. In Brazil, the ?Ministério da Agricultura, Pecuária e Abastecimento? requested a scientific opinion on the prioritizing of pathogens potentially transmitted by unprocessed pork. After conducting a qualitative risk assessment, only Salmonella enterica was classified as of high risk to consumers. The present study was part of the validation step of the risk assessment and aimed to investigate the frequency of S. enterica, Yersinia enterocolitica and Listeria monocytogenes and hygienic-sanitary indicators in pig carcasses of pigs rose under intensive production and slaughtered under the Federal Inspection System in three slaughterhouses located in Southern Brazil. Additionally, the antimicrobial resistance profile of the isolated pathogens was also investigated. A total of 378 carcasses were sampled by superficial sponges before the chilling step in three slaughterhouses. Samples were investigated for the presence of the three aforementioned pathogens and subjected to enumeration of Colony Formation Units (log CFU.cm-1) of total aerobic mesophiles (TAM) and Enterobacteriaceae. Salmonella strains were tested by disc diffusion test for resistance to eleven antimicrobials. There were significantly statistical differences (p<0.0001) on the median counts of both indicators between the slaughterhouses. The median of TAM was very close for Slaughterhouses A and B: 1.573 log CFU.cm-1 and 1.6014 log CFU.cm-1, respectively. While in Slaughterhouse C, a higher TAM median was detected (2.216 log CFU.cm-1). A similar profile was observed regarding to Enterobacteriaceae, and medians were calculated as follow: -0.426 log CFU.cm-1 in Slaughterhouse A; 0.2163 log CFU.cm-1 in B; and 0.633 log CFU.cm-1 in C. Regarding the pathogens investigated, L. monocytogenes was not detected and only one carcass from Slaughterhouse C was positive for Y. enterocolitica. Thus, the results suggest a very low prevalence of L. monocytogenes and Y. enterocolitica in the sampled population. A total of 65 (17.2%) carcasses were positive for S. enterica, with a difference in frequencies between slaughterhouses and slaughter days. The prevalence of Salmonella positive carcasses was higher in the Slaughterhouse C (25.4%; CI 95% 19-32%) in comparison with A (9.5%; CI 95% 9-14%) and B (18.3%; CI 95% 12-24%). There was no significantly statistical association between Enterobacteriaceae counts and Salmonella isolation on carcass surface (p=0.69). The slaughtering day, nested within the slaughterhouse, explains 31.3% of Salmonella prevalence variability. S. Typhimurium (38.1%) was the most prevalent, followed by S. Infantis (30.1%). Among the 61 Salmonella strains tested for resistance to antimicrobials, 18 (31.6%) were full-susceptible. No strain displayed resistance to azithromycin, ceftazidime, cefotaxime and meropenem. The highest resistance frequency was displayed to tetracycline (54.1%), followed by ampicillin (50.82%), nalidixic acid (42.62%) and chloramphenicol (42.62). Multi-resistance was detected in 52.54% of the, strains. In conclusion, S. enterica is more prevalent in pre-chill pig carcasses than Y. enterocolitica and L. monocytogenes and thus should be prioritized in monitoring and control programs at slaughter. Salmonella serovars varied among slaughterhouses and present significant differences in their resistance to antimicrobials. Slaughterhouses that present higher medians of TAM or Enterobacteriaceae in a monitoring period may have higher S. enterica prevalences as well. However, there is a high variation of S. enterica prevalence among slaughter days, which cannot be always related to the hygienic indicators counts observed on a given day.
650 $aCarcaça
650 $aSalmonella Enteritides
650 $aSuíno
653 $aBrasil
700 1 $aSOUZA, A. I. A.
700 1 $aMONTES, J.
700 1 $aMENEGUZZI, M.
700 1 $aCOSTA, E. de F.
700 1 $aCOLDEBELLA, A.
700 1 $aCORBELLINI, L. G.
700 1 $aCARDOSO, M. R. de I.
773 $tPesquisa Veterinária Brasileira$gv. 40, n. 10, p. 781-790, 2020.
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Registro original: |
Embrapa Suínos e Aves (CNPSA) |
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| Registros recuperados : 7 | |
| 3. |  | BERSELLI, C.; CARDOSO, S. de R.; BRAZ, P. H.; SANTOS, S. A.; SOUZA, A. I. de; JULIANO, R. S. Monitoramento da verminose no Núcleo de Conservação de ovino Pantaneiro da Embrapa Pantanal. In: SIMPÓSIO SOBRE RECURSOS NATURAIS E SOCIOECONÔMICOS DO PANTANAL, 6.; EVENTO DE INICIAÇÃO CIENTÍFICA DO PANTANAL, 1., 2013, Corumbá, MS. Desafios e soluções para o Pantanal: resumos. Corumbá: Embrapa Pantanal, 2013. 4p.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pantanal. |
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| 5. | | ANTUNES, T. R.; OLIVEIRA, G. G.; BRAZ, P. H.; PERES, I. A. H. F. S.; ZIMMERMANN, N. P.; PELLEGRIN, A. O.; JULIANO, R. S.; SOUZA, A. I. Indicadores biológicos séricos em veado-campeiro (Ozotoceros bezoarticus bezoarticus, Linnaeus 1758) de vida livre do Pantanal Sul-Mato-Grossense. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, v. 70, n. 6, p. 1840-1844, 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pantanal. |
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| 6. | | KICH, J. D.; SOUZA, A. I. A.; MONTES, J.; MENEGUZZI, M.; COSTA, E. de F.; COLDEBELLA, A.; CORBELLINI, L. G.; CARDOSO, M. R. de I. Investigation of Listeria monocytogenes, Salmonella enterica and Yersinia enterocolitica in pig carcasses in southern Brazil. Pesquisa Veterinária Brasileira, v. 40, n. 10, p. 781-790, 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Suínos e Aves. |
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| 7. | | MIZIARA, S. R.; PAIVA, F.; FRANCO, P. A.; SOUZA, A. I.; KOLLER, W. W.; ANDREOTTI, R.; LOPES, V. A.; PONTES, N. T.; MURTA, A. V. F. Ocorrência de Anocentor nitens (Newmann, 1897) em Puma concolor (Linnaeus, 1771), em Campo Grande, MS, Brasil. In: SIMPÓSIO BRASILEIRO SOBRE ANIMAIS SILVESTRES E SELVAGENS, 4., 2007, Viçosa, MG. Anais...Viçosa, MG: UFV, 2007. p. 80 CNPGC.| Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
| Biblioteca(s): Embrapa Gado de Corte. |
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| Registros recuperados : 7 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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