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Biosecurity on dairy operations: hazards and risks.

S J Wells1

  • 1Department of Clinical and Population Sciences, University of Minnesota, College of Veterinary Medicine, St. Paul 55108 USA. wells023@tc.umn.edu

Journal of Dairy Science
|October 26, 2000
PubMed
Summary
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A risk assessment model for US dairy biosecurity was developed to evaluate infectious disease risks, particularly from Mycobacterium paratuberculosis. Many dairy operations have not adopted key biosecurity practices, highlighting disease risks and improvement opportunities.

Area of Science:

  • Veterinary epidemiology
  • Risk assessment
  • Animal health management

Background:

  • Infectious diseases pose significant risks to US dairy operations.
  • Biosecurity programs are crucial for preventing pathogen introduction and transmission.
  • Mycobacterium paratuberculosis is a key dairy cattle pathogen requiring biosecurity considerations.

Purpose of the Study:

  • To present a risk assessment framework for biosecurity on US dairy operations.
  • To characterize risks associated with management practices and potential risk reduction for infectious diseases.
  • To evaluate the adoption of biosecurity practices on US dairy farms.

Main Methods:

  • Utilized a risk assessment framework to model biosecurity.
  • Characterized risks related to specific management practices for Mycobacterium paratuberculosis.

Related Experiment Videos

  • Analyzed data from the National Animal Health Monitoring System (NAHMS) Dairy 96 Study.

    • Main Results:

    • Estimates of risks associated with cattle introduction from various sources were presented.
    • Biosecurity practices for limiting pathogen transmission, including sick cow, calving, and manure management, were detailed.
    • The NAHMS Dairy 96 Study revealed low adoption rates for many recommended biosecurity practices.

    Conclusions:

    • A significant gap exists between recommended biosecurity practices and their adoption on US dairy farms.
    • This gap indicates a substantial risk of disease spread and an opportunity for animal health improvements.
    • Implementing robust biosecurity measures is essential for mitigating infectious disease threats in dairy cattle.