An Evaluation of Arrival Health Risk Status of Steer Calves on Individual Animal Performance and Health over a 61-Day Preconditioning Period

Authors

  • M. L. May Feedlot Health Management Services Ltd, Okotoks, AB, T1S 2A2
  • C. R. Krehbiel Department of Animal Science, Oklahoma State University, Stillwater, OK 74078
  • O. C. Schunicht Feedlot Health Management Services Ltd, Okotoks, AB, T1S 2A2
  • B. P. Holland Department of Animal and Range Sciences, South Dakota State University, Brookings, SD 57007
  • C. W. Booker Feedlot Health Management Services Ltd, Okotoks, AB, T1S 2A2
  • L. O. Burciaga-Robles Feedlot Health Management Services Ltd, Okotoks, AB, T1S 2A2

DOI:

https://doi.org/10.21423/aabppro20114045

Keywords:

BRD, bovine respiratory disease, feedlot cattle, risk status, vaccination program, preconditioning, commingling

Abstract

Bovine respiratory disease (BRD) is the most common disease in calves that enter the feedlot, and may result in large economic losses. Arrival risk status is often used to predict the risk of an animal developing BRD and subsequently which vaccination program to follow. The purpose of this study was to follow two populations of calves with different pre-arrival commingling (ranch direct vs auction derived) over a 61 day preconditioning period, to compare performance data based on individual animal feed intakes using the GrowSafe data collection system (GrowSafe Systems Ltd., Airdrie, Canada).

Cover image of the 44th Conference Proceedings: photo of the skyline of St. Louis, Missouri, site of the 2011 AABP Conference. Yellow background.

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Published

2011-09-22

Issue

2011

Section

Research Summaries 3

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