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Using enterobacterial repetitive intergenic consensus-polymerase chain reaction (ERIC-PCR) and pulsed-field gel electrophoresis (PFGE), this study assessed the genetic relatedness, the pathogenic potential, and antimicrobial resistance in 60 strains isolated from chickens and the farm environment in Brazil between 2004 and 2010. The resulting concatenated dendrogram of the two methodologies distinguished the strains into two clusters. Some strains isolated from the two sources were indistinguishable. All the strains contained the 13 virulence markers investigated. Forty-four strains were resistant to nalidixic acid. Quinolone resistance presented by many strains suggests that quinolones may have been used to treat chickens. The high prevalence of virulence markers highlights the importance of poultry as vehicles of<jats:italic>S.<\/jats:italic>Enteritidis strains that have the potential to cause disease.<\/jats:p>","DOI":"10.1017\/s0950268814000491","type":"journal-article","created":{"date-parts":[[2014,3,14]],"date-time":"2014-03-14T12:00:26Z","timestamp":1394798426000},"page":"1403-1410","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":23,"title":["Characterization of<i>Salmonella<\/i>Enteritidis strains isolated from poultry and farm environments in Brazil"],"prefix":"10.1017","volume":"142","author":[{"given":"F.","family":"CAMPIONI","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. M.","family":"ZOLDAN","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. 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