Analysis of Escherichia coli isolated from bovine mastitic milk

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dc.contributor.authorRangel, Patricia [UNESP]
dc.contributor.authorMarin, Jose Moacir
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:31:08Z
dc.date.available2014-05-20T15:31:08Z
dc.date.issued2009-05-01
dc.description.abstractRangel P. & Marin J.M. 2009. Analysis of Escherichia coli isolated from bovine mastitic milk. Pesquisa Veterinaria Brasileira 29(5): 363-368. Departamento de Morfologia, Estomatologia e Fisiologia, Faculdade de Odontologia de Ribeirao Preto, Universidade de São Paulo, Avenida do Cafe s/n, Campus USP, Ribeirao Preto, SP 14040-904, Brazil. E-mail: jmmarin@forp.usp.brMastitis has been recognized for some time as the most costly disease in dairy herds. From February to November 2004, 670 samples of bovine mastitic milk from which 231 Escherichia coli strains were isolated, were collected from two Brazilian states. The strains were screened for the presence of Shiga toxin-producing (stx 1 and stx 2) and intimin (eae) genes. Twenty (8.6%) strains were detected by PCR to harbor the Shiga toxin genes (8 the stx 1 gene, 12 the stx 2 gene and none both of them). Two (0.8%) of the Escherichia coli strains studied were eae positive non Shiga toxin-producing. The strains were also examined for resistance to 12 antimicrobial agents. The predominantly observed resistance was to tetracycline (92.2%), streptomycin (90.4%), nalidixic acid (88.3%), amikacin (86.5%) and cephalothin (84.8%). Multidrug resistance was found among 152 isolates (65.8%).en
dc.description.affiliationUSP, DMEF, FORP, BR-14040904 Ribeirao Preto, SP, Brazil
dc.description.affiliationUNESP, Programa Microbiol, FCAV, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUnespUNESP, Programa Microbiol, FCAV, BR-14884900 Jaboticabal, SP, Brazil
dc.format.extent363-368
dc.identifier.citationPesquisa Veterinaria Brasileira. Rio Janeiro: Revista Pesquisa Veterinaria Brasileira, v. 29, n. 5, p. 363-368, 2009.
dc.identifier.issn0100-736X
dc.identifier.urihttp://hdl.handle.net/11449/40357
dc.identifier.wosWOS:000269129800001
dc.language.isoeng
dc.publisherRevista Pesquisa Veterinaria Brasileira
dc.relation.ispartofPesquisa Veterinária Brasileira
dc.relation.ispartofjcr0.385
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectEscherichia colien
dc.subjectmastitisen
dc.subjectantimicrobial agentsen
dc.subjectmultidrug resistanceen
dc.subjectSTECen
dc.subjecteae geneen
dc.titleAnalysis of Escherichia coli isolated from bovine mastitic milken
dc.typeArtigo
dcterms.rightsHolderRevista Pesquisa Veterinaria Brasileira

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