719 resultados para Resistência a penicilina
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Educação Matemática - IGCE
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Milk that is adequate for consumption must be of hygienic quality, nutritional value, and should maintain its organoleptic properties. Isolation of fecal and/or total coliforms from bovine milk is considered an indicator of hygiene and good management practices, and can be used as a quality indicator. This study aimed to isolate, identify, and assess the resistance profile of coliforms isolated from collective bulk tanks and individual milk tanks. A total of 89 milk samples were collected from collective bulk tanks and, from these, 21 Klebsiella spp., one E. coli, and 29 Enterobacter spp. were isolated, whereas 102 milk samples from individual tanks showed isolation of one Klebsiella spp. and seven Enterobacter spp. In collective bulk tanks, at least 47% of Klebsiella spp. and Enterobacter spp. were resistant to cephalexin and 30% to ampicillin. From these, at least 24% showed multidrug resistance. Among the microorganisms isolated from the individual tanks, 85% or more were resistant to ampicillin. The ESBL phenotype and the blaTEM gene were detected in strains of Klebsiella spp. isolated from both tanks. It was concluded that contamination of milk with resistant total coliforms, and especially the storage of raw milk from several small producers in the collective bulk tank increase the risk of contamination.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Engenharia Mecânica - FEG
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Odontologia - FOAR