Evaluation of breath biomarkers and serum haptoglobin concentration for diagnosis of bovine respiratory disease in heifers newly arrived at a feedlot von Burciaga-Robles, Luis O, Holland, Ben P, Step, Douglas L, Krehbiel, Clinton R, McMillen, Gina L, Richards, Chris J, Sims, Lindsay E, Jeffers, Jim D, Namjou, Khosrow, McCann, Patrick J

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