Association of lung lesions measured by thoracic ultrasonography at first diagnosis of bronchopneumonia with relapse rate and growth performance in feedlot cattle

Authors

  • E. Timsit Department of Production Animal Health, Simpson Ranch Chair in Cattle Health and Wellness, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
  • N. Tison Department of Clinical Science, Faculté de Médecine Vétérinaire, Université de Montréal, St-Hyacinthe, QC, Canada
  • C. W. Booker Feedlot Health Management Services, Okotoks, AB, Canada
  • S. Buczinski Department of Clinical Science, Faculté de Médecine Vétérinaire, Université de Montréal, St-Hyacinthe, QC, Canada

DOI:

https://doi.org/10.21423/aabppro20197206

Keywords:

lung lesions, thoracic ultrasonography, bronchopneumonia, average daily gain, relapse rate

Abstract

Severity of lung lesions quantified by thoracic ultrasonography (TUS) at time of bronchopneumonia (BP) diagnosis predicted death among feedlot steers non-treated for this condition. Further research is now needed to confirm that lung lesions detected by TUS can be associated with negative outcomes in cattle with BP that were subsequently treated for this condition. Therefore, the objective was to quantify effects on relapse rate and average daily gain (ADG) of lung lesions detected by TUS at first BP diagnosis in feedlot cattle.

Cover image of the 52nd Conference Proceedings: A photo of a herd of cattle shot from below. A black and white cow is looking curiously at the phototgrapher. Yellow

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Published

2019-09-12

Issue

2019

Section

Research Summaries

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