Comparison of the nasopharyngeal bacterial microbiota of beef calves raised without the use of antimicrobials between healthy calves and those diagnosed with …
C McMullen, K Orsel, TW Alexander… - Veterinary …, 2019 - Elsevier
The role of the respiratory bacterial microbiota in the pathogenesis of bovine respiratory
disease (BRD) is still not well defined, limiting our understanding of the disease. Specifically,
there is no information on the nasopharyngeal bacterial microbiota of cattle raised without
antimicrobials. The objective was to characterize and compare the nasopharyngeal bacterial
microbiota in feedlot cattle raised without antimicrobials that were healthy or diagnosed with
BRD. Newly-received feedlot cattle (arrival bodyweight±SD= 218±37 kg) with BRD (n= 82) …
disease (BRD) is still not well defined, limiting our understanding of the disease. Specifically,
there is no information on the nasopharyngeal bacterial microbiota of cattle raised without
antimicrobials. The objective was to characterize and compare the nasopharyngeal bacterial
microbiota in feedlot cattle raised without antimicrobials that were healthy or diagnosed with
BRD. Newly-received feedlot cattle (arrival bodyweight±SD= 218±37 kg) with BRD (n= 82) …
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