Comparison of gamithromycin and tildipirosin for metaphylaxis treatment of winter-placed feedlot calves for control of bovine respiratory disease

Authors

  • Joyce Van Donkersgoed Alberta Beef Health Solutions Inc., Box 307, Picture Butte, Alberta, TOK 1V0, Canada
  • Steve G. Henderick RR 8 Site 32 Comp 49, Lethbridge, Alberta, T1J 4P4, Canada
  • Timothy G. Nickel Merial Canada Inc., 20000 Clark Graham Ave., Baie D'Urfe, Quebec, Canada

DOI:

https://doi.org/10.21423/bovine-vol51no2p184-189

Keywords:

bovine respiratory disease, BRD, feedlot, metaphylaxis treatment

Abstract

A randomized complete-block design trial was conducted in a commercial finishing feedlot in southern Alberta, Canada using winter-placed heifer calves (n = 4574; initial body weight 6 72 ± 43 lb; 305.5 ± 19.5 kg) to evaluate the comparative efficacy of metaphylactic treatment with gamithromycin or tildipirosin for control of bovine respiratory disease. There were no statistically significant differences (P > 0.05) in health or feedlot performance between calves treated with gamithromycin or tildipirosin from arrival to terminal weight sort, approximately 30 days before slaughter. Using current drug prices, metaphylactic treatment with gamithromycin had a net economic advantage of $4.13CAN/head to those treated with tildipirosin on arrival.

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Published

2017-06-01

How to Cite

Van Donkersgoed, J., Henderick, S. G., & Nickel, T. G. (2017). Comparison of gamithromycin and tildipirosin for metaphylaxis treatment of winter-placed feedlot calves for control of bovine respiratory disease. The Bovine Practitioner, 51(2), 184–189. https://doi.org/10.21423/bovine-vol51no2p184-189

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