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de Assis DCS, da Silva TML, Brito RF, da Silva LCG, Lima WG, Brito JCM. Shiga toxin-producing Escherichia coli (STEC) in bovine meat and meat products over the last 15 years in Brazil: A systematic review and meta-analysis. Meat Sci 2020; 173:108394. [PMID: 33316706 DOI: 10.1016/j.meatsci.2020.108394] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 11/23/2020] [Accepted: 11/25/2020] [Indexed: 01/21/2023]
Abstract
We conducted a systematic review and meta-analysis to determine the rate of contamination in bovine meat and meat products with Shiga toxin-producing Escherichia coli (STEC) in Brazil over the last fifteen years. Data were obtained from online databases in February 2020, and 25 papers were selected from 1036 articles identified in the literature search and 13 articles from gray literature, totaling 4286 samples analyzed. The overall rate of STEC was estimated to be 1% in Brazil. The highest rate (9%) was observed in Mato Grosso, followed by Rio Grande do Sul (1%), Goiás (1%), and São Paulo (1%). Regarding the sample type analyzed, hot carcasses had the highest rate (8%) of positive samples for STEC, followed by cold carcasses (2%) and beef samples (1%). As the available data were concentrated in the São Paulo state, the findings of this meta-analysis reveal the need for further studies in Brazil to allow better risk assessment and prevention of human STEC infections.
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Affiliation(s)
- Débora Cristina Sampaio de Assis
- Departamento de Tecnologia e Inspeção de Produtos de Origem Animal, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
| | - Thaís Michelle Liziere da Silva
- Departamento de Tecnologia e Inspeção de Produtos de Origem Animal, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Rommel Furst Brito
- Departamento de Tecnologia e Inspeção de Produtos de Origem Animal, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
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Loiko MR, de Paula CMD, Langone ACJ, Rodrigues RQ, Cibulski S, Rodrigues RDO, Camargo AC, Nero LA, Mayer FQ, Tondo EC. Genotypic and antimicrobial characterization of pathogenic bacteria at different stages of cattle slaughtering in southern Brazil. Meat Sci 2016; 116:193-200. [PMID: 26896744 DOI: 10.1016/j.meatsci.2016.01.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2015] [Revised: 01/24/2016] [Accepted: 01/25/2016] [Indexed: 11/30/2022]
Abstract
Meat can be contaminated in different stages of the slaughtering process and the identification of these stages is the starting point to implement adequate control measures. The objectives of this study were to assess the presence of pathogenic microorganisms in cattle carcasses, to identify the most important contamination points of the slaughtering process, and to evaluate the possible risk factors related to them in a cattle slaughterhouse. To this aim, 108 cattle carcasses were sampled at three stages of the slaughtering process: Point 1 (hides after bleeding); Point 2 (carcasses after hide removal); and Point 3 (carcasses immediately after division). Escherichia coli O157:H7, Listeria monocytogenes and Salmonella Livingstone were isolated from the carcasses. Phenotypic and genotypic characterization indicated that there was cross-contamination among animals, since bacteria with identical genotypic and phenotypic profiles were isolated from different animals at the same sampling day. Furthermore, this is the first report about the isolation of E. coli O157:H7 in a bovine slaughterhouse from southern Brazil.
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Affiliation(s)
- Márcia R Loiko
- Laboratório de Microbiologia e Controle de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul - ICTA/UFRGS, Porto Alegre, Rio Grande do Sul, Brazil; Laboratório de Virologia, Instituto de Pesquisas Veterinárias Desidério Finamor, Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Rio Grande do Sul, Brazil.
| | - Cheila M D de Paula
- Laboratório de Microbiologia e Controle de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul - ICTA/UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Ana C J Langone
- Laboratório de Microbiologia e Controle de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul - ICTA/UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Rochele Q Rodrigues
- Laboratório de Microbiologia e Controle de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul - ICTA/UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Samuel Cibulski
- Laboratório de Virologia, Instituto de Pesquisas Veterinárias Desidério Finamor, Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Rio Grande do Sul, Brazil
| | - Rogério de O Rodrigues
- Laboratório de Leptospirose, Instituto de Pesquisas Veterinárias Desidério Finamor, Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Rio Grande do Sul, Brazil
| | - Anderson C Camargo
- Universidade Federal de Viçosa, Centro de Ciências Biológicas e da Saúde, Departamento de Veterinária, Brazil
| | - Luís A Nero
- Universidade Federal de Viçosa, Centro de Ciências Biológicas e da Saúde, Departamento de Veterinária, Brazil
| | - Fabiana Q Mayer
- Laboratório de Biologia Molecular, Instituto de Pesquisas Veterinárias Desidério Finamor, Fundação Estadual de Pesquisa Agropecuária, Eldorado do Sul, Rio Grande do Sul, Brazil
| | - Eduardo C Tondo
- Laboratório de Microbiologia e Controle de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul - ICTA/UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
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