Indicator 2.4.1

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Feed Dependent

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Indicator 2.4.1

by Contact on 8 October 2026

Requirement

The UoC shall not stock transgenic animals.

How Do I Interpret This Requirement?

  • The stocking and culture of transgenic animals is not permitted on ASC certified sites.

  • Transgenic animals are not common in aquaculture, but transgenic stocks of Atlantic salmon, rainbow trout, channel catfish and Nile tilapia are known to exist.

Evidence of Implementation

  • Evidence that non-transgenic animals are stocked should be presented to the auditor. This could consist of a declaration from the hatcheries that non-transgenic animals are used.

    • In case of doubt regarding origin, submitting animals for DNA-testing could be considered.

Auditors Should Confirm

  • All stock is from non-transgenic origin.