Fish-flour and fish oil are currently the main raw materials in fish feed. It is assumed that these raw materials are not sustainable.
Therefore, the goal of this project is to find out what policies can ensure that fish-flour and fish oil in fish feed will be replaced by vegetal raw materials. Four aspects are taken into account: 1) The alternative must be more sustainable than fish-flour and fish oil. 2) The alternative does not deteriorate the welfare of the fish. 3) The nutritional value of the fish must be maintained and 4) it must be economically feasible.