Randomized Clinical Field Trial of the Effect of Preweaning Viral Vaccination on the Incidence of Respiratory Disease in Dairy Heifer Calves Up to Four Months of Age

Authors

  • C. Windeyer Ontario Veterinary College, Department of Population Medicine, University of Guelph, Guelph, ON Canada N1G 2W1
  • S. J. LeBlanc Ontario Veterinary College, Department of Population Medicine, University of Guelph, Guelph, ON Canada N1G 2W1
  • K. D. Lissemore Ontario Veterinary College, Department of Pathobiology, University of Guelph, Guelph, ON Canada N1G 2W1
  • D. C. Hodgins Ontario Veterinary College, Department of Population Medicine, University of Guelph, Guelph, ON Canada N1G 2W1
  • S. M. Godden Veterinary Population Medicine, University of Minnesota, St Paul, MN 55108
  • K. E. Leslie Ontario Veterinary College, Department of Population Medicine, University of Guelph, Guelph, ON Canada N1G 2W1

DOI:

https://doi.org/10.21423/aabppro20104136

Keywords:

Bovine respiratory disease, BRD, modified-live viral vaccine, vaccine, dosage

Abstract

Bovine respiratory disease (BRD) is an important illness of dairy replacement heifer calves that has substantial impacts on growth, survival and profitability. The objective of this research was to determine the effects of one or two doses of a commercial, multivalent,  (MLV) vaccine, administered to heifer calves prior to weaning. It was hypothesized that vaccination would reduce the incidence of BRD and that two doses would be more efficacious than one.

Cover image of the 43rd Conference Proceedings: Two short-horned cattle grazing in a field, surrounded by a flock of egrets. Yellow background.

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Published

2018-02-09

Issue

2010

Section

Research Summaries 3

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