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dc.contributor.authorDrum, David James Vernon
dc.date.accessioned2014-03-03T21:05:34Z
dc.date.available2014-03-03T21:05:34Z
dc.date.issued2003-12
dc.identifier.otherdrum_david_j_200312_ms
dc.identifier.urihttp://purl.galileo.usg.edu/uga_etd/drum_david_j_200312_ms
dc.identifier.urihttp://hdl.handle.net/10724/21273
dc.description.abstractAntibiotics are used in commercial agriculture not only for treatment of diseases, but also as animal growth promoters. While antibiotics are not used on every farm, resistance is occasionally found on farms that do not have a history of antibiotics use. While resistance can occur due to chromosomal point mutations, it is the acquisition of resistance through horizontal transfer that concerns many scientists. In the complex ecosystems that result from modern agricultural practices, there are many opportunities for food borne bacterial pathogens to acquire antibiotic resistance, and then enter the food chain. In the studies outlined here, we introduce the topic of horizontal antimicrobial transfer and acquisition through a novel gene transfer system: the integron. Next, we examine first the environment of a commercial broiler farm. We examine the various bacterial species that are harboring resistance, to which antibiotics they are resistant, and potential environmental reservoirs of resistance. Finally, we examine to what extent does antibiotic resistance occur in a free-ranging avian species that is not subjected to antibiotic selection pressure.
dc.languageeng
dc.publisheruga
dc.rightspublic
dc.subjectGeese
dc.subjectPoultry
dc.subjectIntegrons
dc.subjectSalmonella
dc.subjectEscherichia coli
dc.subjectEnterococcus
dc.subjectAntibiotic resistance
dc.titleEcology of antimicrobial resistance among domestic and free-range fowl populations
dc.typeThesis
dc.description.degreeMS
dc.description.departmentMedical Microbiology
dc.description.majorMedical Microbiology
dc.description.advisorJohn J. Maurer
dc.description.committeeJohn J. Maurer
dc.description.committeeMargie Lee
dc.description.committeeSusan Little


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