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Guidance on the assessment of the efficacy of feed additives

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Wiley Online Library

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The type of output indicated in the document has been modified from ‘Scientific Opinion’ to ‘Guidance’. To avoid confusion, the original version of the Guidance has been removed from the EFSA Journal, but is available on request, as is a version showing all the changes made.


This guidance document is intended to assist the applicant in the preparation and the presentation of an application, as foreseen in Article 7.6 of Regulation (EC) No 1831/2003, for the authorisation of additives for use in animal nutrition. It specifically covers the assessment of the efficacy of feed additives.