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. 2020 Oct 7;7:571697. doi: 10.3389/fvets.2020.571697

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Copyright © 2020 Nickell, Bryant, Lechtenberg and Cull.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Body weight at enrollment between mixed-breed beef feedlot steers meeting the case definition* of bovine respiratory disease (BRD) with a Whisper Score (WS) of 1 compared to steers with a WS ≥ 2. Error bars denote 95% confidence intervals. *The BRD case definition consisted of an animal displaying a clinical illness score of 1–3 and a rectal temperature of >102.5° F and <103.9° F. A WS was subsequently captured and calves were stratified by WS = 1 or >2. **A statistical difference of P < 0.05.