A Relative Comparison of Diagnostic Tests for Johne's Disease

Authors

  • S. Hendrick Department of Population Medicine, University of Guelph, Guelph, Ontario
  • T. Duffield Department of Population Medicine, University of Guelph, Guelph, Ontario
  • D. Kelton Department of Population Medicine, University of Guelph, Guelph, Ontario
  • K. Leslie Department of Population Medicine, University of Guelph, Guelph, Ontario
  • K. Lissemore Department of Population Medicine, University of Guelph, Guelph, Ontario
  • M. Archambault Animal Health Laboratory, University of Guelph, Guelph, Ontario

DOI:

https://doi.org/10.21423/aabppro20035321

Keywords:

Johne's disease, diagnostic test, subclinically infected, serology test, milk ELISA test

Abstract

Prevention and control of Johne's disease would be much improved if diagnostic tests were able to reliably determine the infection status of subclinically infected cows both rapidly and economically. Serology-based tests offer the convenience of quick diagnosis at a low cost, but their precision and accuracy remain questionable. The objective of this study is to evaluate a commercially available milk ELISA test relative to other diagnostic tests, and determine if it offers any improved test characteristics.

Cover image of the 36th Conference Proceedings: Holstein cows standing in a row at a fence. One cow has put her head through the fence and is curiously inspecting a pile of hay. Yellow background.

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Published

2003-09-18

Issue

2003

Section

Research Summaries - Dairy II

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