Feed additives as defined in the Code of Practice on Good Animal Feeding (CAC/RCP 54-2004): “Any intentionally added ingredient not normally consumed as feed by itself, whether or not it has nutritional value, which affects the characteristics of feed or animal products.
Residues of feed additives include the parent compounds and/or their metabolites in any edible portion of the animal product, and include residues of associated impurities of the feed additive concerned.