Antibody responses to IBR vaccination in feedlot cattle

Authors

  • J. H. Carlson Department of Microbiology, Colorado State University, Fort Collins, Colorado 80523
  • D. P. Horton Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado 80523
  • P. M. Braddy Monfort of Colorado, Greeley, Colorado 80631

DOI:

https://doi.org/10.21423/bovine-vol1980no15p84-86

Keywords:

Antibodies, cattle diseases, Disease prevention, Immune response, Immunization, Viral diseases

Abstract

Infectious Bovine Rhinotracheitis (IBR) is an important respiratory disease of cattle. The disease has been especially critical in western feedlots and IBR virus infection has been associated with the shipping fever complex. Numerous commercial vaccines are in wide use to prevent this disease. Experimentally, these vaccines have been shown to be immunogenic and effective in preventing clinical IBR. A large western feedlot has routinely used a modified live virus IBR vaccine in all cattle entering the feedlot. Despite vaccination, the feedlot continued to experience significant morbidity and mortality associated with respiratory disease. A major portion of this respiratory disease was believed to be IBR virus infection.

This study was designed to study immunity to IBR virus of cattle as they enter the feedlot, and to measure the immune responses of feedlot cattle to intramuscular modified live virus IBR vaccines under field conditions. Immunity to bovine parainfluenza type 3 (PI3) virus upon arrival at the feedlot and seroconversion to that virus as a result of natural infections was also studied.

Cover image of the 15th Volume of the Bovine Practitioner: A photo of the two curved towers of Toronto City Hall as seen through a sculpture and immaculately manicured flowerbeds.

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Published

1980-11-01

How to Cite

Carlson, J. H., Horton, D. P., & Braddy, P. M. (1980). Antibody responses to IBR vaccination in feedlot cattle. The Bovine Practitioner, 1980(15), 84–86. https://doi.org/10.21423/bovine-vol1980no15p84-86

Issue

No. 15 (1980 November)

Section

Articles

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