Animal Science, Department of

 

Document Type

Article

Date of this Version

2020

Citation

Published in Veterinary Clinics: Food Animal Practice 36 (2020) 361–373

DOI: 10.1016/j.cvfa.2020.03.010

Comments

Copyright © 2020 Elsevier Inc. Used by permission.

Abstract

• Inflammation caused by bovine respiratory disease (BRD) continues to be one of the greatest challenges facing beef cattle producers and feedlot managers.

• BRD results in decreased intake, daily gain, and feed efficiency in feedlot calves, decreasing growth rate and increasing required days on feed.

• Morbidity caused by BRD has been associated with decreased hot carcass weight and poor carcass characteristics.

• Acute phase protein production in the liver, initiated by proinflammatory cytokines, may shift the priority for amino acid and energy use by the host animal during periods of sickness.

• Nutrient requirements for stressed calves seem to be the same as for nonstressed calves; however, nutrients should be concentrated early in the receiving period to account for low dry matter intake.

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