Indicator 4.1.1.10.6

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System

Water Type

Feed Dependent

Species

Indicator 4.1.1.10.6

by Contact on 8 October 2026

Table 1. Requirements for Indicator 4.1.1.10.6

Indicator

Requirement

4.1.1.10.6

The UoC shall ensure the HWMP includes trend analysis to determine changes in health and welfare over time. This analysis shall consider drivers of the trends and shall be based on the data analysed in indicator 4.1.1.10.5 and feedback from the processing plant where relevant.


How Do I Interpret This Requirement?

  • The analysis of OWIs data over time, as well as information gathered from the mortality classification and post-mortem analysis and the feedback from the processing plant:

    • Allows for the identification of trends that provide insights into factors influencing health, welfare and mortality events.

      • Regular reviews of trends, such as monthly and at least annually or at the end of the production cycle, are recommended.

    • Inform decision-making to improve overall production.

      • The veterinarian or aquatic animal health professional should assist the UoC with the trends analysis and drawing conclusions to build effective corrective measures for improving health or welfare over time.

    • Feedback from the processing plant can, for example, disclose the presence of recurring trends like skin wounds or deformities.

      • Sharing observations and feedback with the UoC enables prompt and thorough investigations.

Evidence of Implementation

  • The mechanism or trend analysis included in the HWMP.

  • Records that confirm trend analysis has been conducted include as a minimum:

    • Mortality classification.

    • Post-mortem analysis.

    • Feedback from the processing plant.

Auditors Should Confirm

  • The trend analysis mechanism included in the HWMP incorporates the minimum required elements and its outcome is implemented:

    • Implementation can be verified by cross-checking the mechanism with relevant records, information from employee interviews and observations.

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