Trout

Even though lupin seeds are rich in proteins, their use in fish feed has been limited partly because of the bitter taste and lack of knowledge about how high levels of lupin the fish tolerates.

Research by Dr Fredric Barrowsand Dr Jeffrey Silverstein, from the US Department of Agriculture, Agricultural Research Service looks at alternative diets for the future of trout.

This guide from the FAO Cultured Aquatic Species Information Programme provides information on farming rainbow trout.

A full set of global standards for sustainable aquaculture will be established by the end of the year, writes TheFishSite senior editor, Chris Harris.