Frequência de Escherichia coli enteropatogênicas (EPEC) resistentes em carcaças de bovinos de um frigorífico no Brasil

Autores

DOI:

https://doi.org/10.33448/rsd-v9i7.4339

Palavras-chave:

Bovinos de corte; Resistência antimicrobiana; STEC; Segurança alimentar.

Resumo

Escherichia coli (E. coli) ocupa o segundo lugar entre os microrganismos envolvidos em surtos de doenças transmitidas por alimentos no Brasil e está entre os quatro mais frequentes em todo o mundo. Devido à sua importância, o objetivo deste trabalho foi verificar a qualidade microbiológica pela presença de E. coli potencialmente patogênica em carcaças de bovinos. 365 cepas de  E. coli foram isoladas por suabe de arrasto de 154 carcaças de bovinos, abatidos no município de Mineiros - GO, Brasil. A frequência de E. coli nas amostras coletadas foi de 81% (125/154). Destas cepas, 16 tinham o gene eae e nenhuma apresentava os genes stx1 ou stx2, portanto, foram classificadas como EPEC. Assim, a frequência de EPEC nas carcaças foi de 9,7% (15/154). As cepas foram classificadas como parte dos grupos A ou B1. Quanto à resistência antimicrobiana, as cepas demonstraram maiores porcentagens de resistência à cefalotina com 82% (41/50), seguida por gentamicina e amicacina com 26% (13/50) cada. Nenhuma das cepas produziu a enzima beta-lactamase de espectro estendido, mas três EPEC foram classificadas como resistentes a vários medicamentos. Os resultados demonstram a presença de EPEC multirresistentes em carcaças de bovinos abatidas na cidade de Mineiros, Brasil.

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Publicado

24/05/2020

Como Citar

STELLA, A. E.; PÁDUA, G. T.; MOREIRA, C. N.; MARTINS, P. S.; MONTES, M. C.; LIMA, T. F.; SILVEIRA, Ângela V. B. de A. Frequência de Escherichia coli enteropatogênicas (EPEC) resistentes em carcaças de bovinos de um frigorífico no Brasil. Research, Society and Development, [S. l.], v. 9, n. 7, p. e475974339, 2020. DOI: 10.33448/rsd-v9i7.4339. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/4339. Acesso em: 17 jul. 2024.

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Seção

Ciências Agrárias e Biológicas