Testing to fulfill HACCP (Hazard Analysis Critical Control Points) requirements: principles and examples

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High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)
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I A Gardner1

  • 1Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis 95616, USA.

Journal of Dairy Science
|January 22, 1998
PubMed

Insights

Accurate on-farm Hazard Analysis Critical Control Points (HACCP) monitoring needs validated tests for cows, milk, and environment. Current limitations hinder consistent achievement of HACCP program goals due to a lack of field-validated diagnostic tools.

Area of Science:

  • Dairy Science
  • Food Safety
  • Veterinary Diagnostics

Background:

  • Effective on-farm Hazard Analysis Critical Control Points (HACCP) monitoring requires reliable tests for cows, milk, and the dairy environment.
  • Tests must be field-validated to establish limitations for appropriate screening and interpretation of results.
  • High specificity is crucial for low-prevalence infections and residues to minimize false positives and industry costs.

Purpose of the Study:

  • To highlight the need for cost-effective, accurate, and reproducible field-validated tests for HACCP monitoring in dairy farming.
  • To emphasize the importance of understanding test limitations for effective screening strategies and result interpretation.
  • To address the challenges posed by the current lack of validated tests for chemical and infectious agents in achieving HACCP program objectives.

Main Methods:

  • Review of current requirements for on-farm HACCP monitoring tests.
  • Analysis of the impact of test specificity and prevalence on screening strategies.
  • Evaluation of the implications of test validation status on HACCP program efficacy.

Main Results:

  • Cost-effective, accurate, and reproducible tests are essential for dairy HACCP monitoring.
  • Field validation and understanding test limitations are critical for rational interpretation and screening.
  • Low specificity can lead to excessive costs and false positives, particularly for low-prevalence agents.

Conclusions:

  • The dairy industry requires field-validated tests for effective HACCP implementation.
  • Absence of positive results does not guarantee freedom from agents without 100% sensitive testing of the entire herd.
  • A lack of validated tests impedes the consistent achievement of HACCP program goals for ensuring food safety.

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