Re-examination of the Etiology of Fatal Undifferentiated Fever/Bovine Resipratory Disease

Authors

  • C. W. Booker Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • P. T. Guichon Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • G. K. Jim Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • O. C. Schunicht Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • B. K. Wildman Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • T. J. Pittman Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • T. Perrett Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • P. S. Morley Colorado State University, 3342 Dudley Way, Fort Collins, CO 80526
  • C. W. Jones Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • C. M. Pollock Feedlot Health Management Services (FHMS), PO. Box 140, # 7 - 87 Elizabeth Street, Okotoks, Alberta TIS 2A2
  • E. D. Janzen University of Calgary, #204, 616 - 19 Street SE, High River, AB TlV lTl

DOI:

https://doi.org/10.21423/aabppro20064661

Keywords:

BRD, feedlot cattle, pathogens, Bovine respiratory disease

Abstract

Results of this study demonstrate that several etiologic agents and pathologic processes are involved in fatal BRD of feedlot cattle, with MH (peracute, acute, and subacute cases) and MB (subacute, bronchiolar, and chronic cases) identified as the predominant pathogens in the vast majority of fatal BRD cases.

Cover image of the 39th Conference Proceedings: Three calves lying down in a pasture next to a white fence. Behind them, a rainbow spans over the distant hills. Yellow background.

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Published

2006-09-21

Issue

2006

Section

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