Cited by 24Microbial infections and disease researchAnimal health and immunologyEffects of Environmental Stressors on Livestock

Relationship between rectal temperature at first treatment for bovine respiratory disease complex in feedlot calves and the probability of not finishing the production cycle

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Theurer, Miles E., White, Brad J., Larson, Robert L., Holstein, Krista K., Amrine, David E.·2014·Journal of the American Veterinary Medical Association

Abstract

Objective —To determine the relationship between rectal temperature at first treatment for bovine respiratory disease complex (BRDC) in feedlot calves and the probability of not finishing the production cycle. Design —Retrospective data analysis. Animals —344,982 calves identified as having BRDC from 19 US feedlots from 2000 to 2009. Procedures —For each calf, data for rectal temperature at initial treatment for BRDC and various performance and outcome variables were analyzed. A binary variable was created to identify calves that did not finish (DNF) the production cycle (died or culled prior to cohort slaughter). A mixed general linear model and receiver operating characteristic curve were created to evaluate associations of rectal temperature, number of days in the feedlot at time of BRDC diagnosis, body weight, quarter of year at feedlot arrival, sex, and all 2-way interactions with rectal temperature with the probability that calves DNF. Results —27,495 of 344,982 (7.97%) calves DNF. Mean rectal temperature at first treatment for BRDC was 40.0°C (104°F). As rectal temperature increased, the probability that a calf DNF increased; however, that relationship was not linear and was influenced by quarter of year at feedlot arrival, sex, and number of days in the feedlot at time of BRDC diagnosis. Area under the receiver operating characteristic curve for correct identification of a calf that DNF was 0.646. Conclusions and Clinical Relevance —Rectal temperature of feedlot calves at first treatment for BRDC had limited value as a prognostic indicator of whether those calves would finish the production cycle.

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  1. Schroeder TC, Albright ML, Langemeier MR, et al. Factors affecting cattle feeding profitability. J Am Soc Farm Man Rural Appras 1993;57:48-54.

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Authors
Theurer, M. E., White, B. J., Larson, R. L., Holstein, K. K., & Amrine, D. E.
Affiliations
Kansas State University (US)
Corresponding author
White, Brad J.
Venue
Journal of the American Veterinary Medical Association
Published
2014-12-01
Volume
245
Issue
11
Pages
1279-1285
ISSN
0003-1488 (ISSN-L)
OpenAlex
W2055298181
Cited by
24
References
26
Citations by year
2025: 2 · 2024: 2 · 2023: 1 · 2022: 2 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 1 · 2017: 2 · 2016: 1 · 2015: 6
FWCI
2.45
Type
journal article
Language
en
Open access
Locations
  • Journal of the American Veterinary Medical Association (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Microbial infections and disease research
  • Health Sciences › Veterinary › Small Animals › Animal health and immunology
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Effects of Environmental Stressors on Livestock
Keywords
bovine respiratory disease, feedlot calves, rectal temperature, prognostic factors, calf mortality, culling
MeSH terms
Animals, Body Temperature, Body Weight, Cattle, Female, Male, Retrospective Studies, Bovine Respiratory Disease Complex

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