At the time fishmeal and fish oil are neccessary to supply certain nutrients, lysin and methionine for example, but suppliers have been successfully reducing the amount of fishmeal and oil in recent times.

The goal is to reduce it to a minimum.

Not all fishmeal is unsustainable. The slaughtering residue from wild catch and from aquaculture as well as the bycatch are ressources for fish feed that we should not waste.