Heat stress-induced deficits in growth, metabolic efficiency, and cardiovascular function coincided with chronic systemic inflammation and hypercatecholaminemia in ractopamine-supplemented feedlot lambs

Abstract Heat stress hinders growth and well-being in livestock, an effect that is perhaps exacerbated by the β1 agonist ractopamine. Heat stress deficits are mediated in part by reduced feed intake, but other mechanisms involved are less understood. Our objective was to determine the direct impact...

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Published in:Journal of animal science 2020-06, Vol.98 (6), p.1-15
Main Authors: Swanson, Rebecca M, Tait, Richard G, Galles, Beth M, Duffy, Erin M, Schmidt, Ty B, Petersen, Jessica L, Yates, Dustin T
Format: Article
Language:English
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