Frecuencia de Escherichia coli enteropatógena (EPEC) resistente en canales bovinas de un matadero en Brasil

Autores/as

DOI:

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

Palabras clave:

Ganado vacuno; Resistencia a los antimicrobianos; STEC; Protección de alimentos.

Resumen

Escherichia coli (E. coli) ocupa el segundo lugar entre los microorganismos involucrados en brotes de enfermedades transmitidas por alimentos en Brasil y se encuentra entre los 4 más prominentes a nivel mundial. Debido a su importancia, el propósito de este trabajo fue verificar la calidad microbiológica por la presencia de E. coli en canales bovinas. Se aisló un total de 365 E. coli con hisopos de 154 canales de ganado, sacrificados en el municipio de Mineiros - GO, Brasil. La frecuencia de E. coli en las muestras recolectadas fue del 81% (125/154). De estos E. coli, 16 tenían el gen eae, y ninguno presentaba los genes stx1 o stx2, por lo que se clasificaron como EPEC. Así, la frecuencia de EPEC en los canales fue del 9,7% (15/154). Las cepas se clasificaron como parte de los grupos A o B1. En cuanto a la resistencia a los antimicrobianos, las cepas mostraron mayores porcentajes de resistencia a la cefalotina con 82% (41/50), seguidas de gentamicina y amikacina con 26% (13/50) cada una. Ninguna de las cepas produjo la enzima beta-lactamasa de espectro extendido, pero tres EPEC se clasificaron como resistentes a varios fármacos. Los resultados demuestran la presencia de EPEC multirresistente en canales de bovinos sacrificados en la ciudad de Mineiros, Brasil.

Citas

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Publicado

24/05/2020

Cómo 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. Frecuencia de Escherichia coli enteropatógena (EPEC) resistente en canales bovinas de un matadero en 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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Sección

Ciencias Agrarias y Biológicas