Global aquaculture currently equals wild fishery production, aquaculture
production will continue to increase and a gap will progressively widen as
it dominates supply. Aquaculture has an important role in global food
security, it must be developed in a sustainable way and navigate multiple
challenges including developing shared societal values, negotiating access
to limiting resources, dealing with environmental variability and climate
change effects. Effective strategies for feeding aquaculture species will
contribute to ensuring the sustainability of aquaculture. Strategies will be
outlined in relation to trends in global aquaculture systems and Atlantic
salmon will be discussed in detail as one of the most important intensive
aquaculture species. Strategies include: determining the most effective use
of finite marine protein and lipid sources; ingredient development
including plant proteins and biotechnological innovation; closer alignment
between fish nutrition and fish health needs including gut health; feeding
for new aquaculture systems including species new to aquaculture, inte-
grated multi-trophic aquaculture, offshore and recirculation technology;
selective breeding that considers traits related to both fish and human
nutrition; managing product quality for human health.