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    Excretion of antibiotic resistance genes by dairy calves fed milk replacers with varying doses of antibiotics

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    Date
    2012-01-01
    Author
    Thames, Callie H.
    Pruden, Amy
    James, Robert E.
    Ray, Partha P.
    Knowlton, Katharine F.
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    Abstract
    Elevated levels of antibiotic resistance genes (ARGs) in soil and water have been linked to livestock farms and in some cases feed antibiotics may select for antibiotic resistant gut microbiota. The purpose of this study was to examine the establishment of ARGs in the feces of calves receiving milk replacer containing no antibiotics versus subtherapeutic or therapeutic doses of tetracycline and neomycin. The effect of antibiotics on calf health was also of interest.
    URI
    http://hdl.handle.net/10919/73567
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    • All Faculty Deposits [4203]
    • Scholarly Works, Civil and Environmental Engineering [464]
    • Scholarly Works, School of Animal Sciences [468]

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