THE RECOUNT OF Staphylococcus COAGULASE POSOTIVE IN PARAGUAYAN CHEESE MARKETED IN THE MUNICIPAL MARKET OF SAN LORENZO AND ITS SENSIVITY TO THREE ANTIMICROBIALS, YEAR 2014

  • Sosa L
  • Giménez G
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Abstract

The aim of the research was to determine an indicator of the microbiological quality of cheese Paraguay by counting coagulase positive Staphylococcus (according to Paraguayan Standard 25 053 11), and antimicrobial susceptibility to selected antimicrobials, in 2014.There were analyzed 130 samples of cheeses corresponding to 26 lots, each consisting of five samples of cheese. It was determined that 38.46% of those lots of Paraguay cheese exceeded the limits values of the Paraguayan Standard (NP), for the amount of coagulase positive Stahylococcus (S. coag. pos.) and 79.23% of the samples showed growth of Staphylococcus spp., of which 83,5% were S. coag. pos. The antimicrobial susceptibility testing of isolates showed that 63.95% of S. coag. pos. were resistant to Cefixime, 40,70 % were to Ciprofloxacin and 16.27 % were resistant to Sulfa-trimethoprim. These results are crucial to establish some course of action for the improvement of public health, based on the promotion, prevention, surveillance and control of cheese marketed primarily at hoarding centers, to reduce the occurrence of food-borne diseases. RESUMEN. El objetivo de la investigación fue determinar uno de los indicadores de la calidad microbiológica del queso Paraguay mediante el recuento de Staphylococcus coagulasa positivo (según Norma Paraguaya 25 053 11), y su sensibilidad antimicrobiana, en el año 2014.Fueron analizadas 130 muestras de quesos correspondientes a 26 lotes, cada uno de ellos compuesto por 5 panes de quesos, donde se determinó que el 38,46 % de los lotes de queso Paraguay presentaron valores superiores a los límites establecidos por la Norma Paraguaya (NP), para la cantidad de Staphylococcus coagulasa positivo (S. coag. pos.) permitida y que el 79,23 % de las muestras presentaron crecimientos de Staphylococcus spp., de los cuales el 83,5 % pertenecen a S. coag. pos. Al evaluar la sensibilidad antimicrobiana de las cepas aisladas se pudo observar que el 63,95 % de los S. coag. pos. fueron resistentes a la Cefixima, 40,70 % resistente a la Ciprofloxacina y 16,27 % resistente a la Sulfa-trimetoprima. Con los resultados obtenidos, se pueden fortalecer planes de acción de salud pública, sustentada en promoción, prevención, vigilancia y control de los alimentos comercializados principalmente en los centros de acopio, como el queso, para disminuir la ocurrencia de las enfermedades transmitidas por los alimentos. Palabras clave: queso Paraguay, Staphylococcus coagulasa positivo, sensibilidad antimicrobiana.

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Sosa, L., & Giménez, G. (2016). THE RECOUNT OF Staphylococcus COAGULASE POSOTIVE IN PARAGUAYAN CHEESE MARKETED IN THE MUNICIPAL MARKET OF SAN LORENZO AND ITS SENSIVITY TO THREE ANTIMICROBIALS, YEAR 2014. Compendio de Ciencias Veterinarias, 6(1), 24–30. https://doi.org/10.18004/compend.cienc.vet.2016.06.01.24-30

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