Changes in Management Practices and Herd-level Prevalence of Mycobacterium avium subspecies paratuberculosis (MAP) Infection on US Dairy Operations

Authors

  • J. E. Lombard USDA:APHIS:VS:Centers for Epidemiology and Animal Health, Fort Collins, CO
  • R. T. Capsel USDA:APHIS:VS:National Veterinary Services Laboratories, Ames, IA
  • B. A. Wagner USDA:APHIS:VS:Centers for Epidemiology and Animal Health, Fort Collins, CO
  • J. B. Payeur USDA:APHIS:VS:National Veterinary Services Laboratories, Ames, IA
  • C. P. Fossler USDA:APHIS:VS:Centers for Epidemiology and Animal Health, Fort Collins, CO

DOI:

https://doi.org/10.21423/aabppro20084441

Keywords:

Johne's disease, control program, disease prevalence, herd-level prevalence

Abstract

A voluntary control program for Johne's disease has been in place in the US since 2002. Although participation in the program by producers has been lower than expected, veterinarians and producers have gained access to information and new testing methods to address the disease. Previous National Animal Health Monitoring System dairy studies were compared to the most recent study conducted in 2007, and results indicate that since 1996, producers are much more familiar with Johne's disease and have implemented control measures to reduce the prevalence of disease. However, the herd-level prevalence on dairy operations in the US is much higher than previously reported.

Cover image of the 41st Conference Proceedings: A herd of cattle standing in the field, framed by a cloudy sky. Yellow background.

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Published

2008-09-25

Issue

2008

Section

Research Summaries

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