Fish meal is a commercial product made from both whole fish and the bones and offal from processed fish. It is a brown powder or cake obtained by rendering pressing the whole fish or fish trimmings to remove the fish oil.
The major use of fish meal is as a high-protein supplement in aquaculture feed. The main producing countries in 2004 were Peru, Chile, China, Thailand, USA, Japan and Denmark. World-wide production is about 6.3 million tons annually.
Fish meal differs from fish hydrolysate in that the hydrolysate form has the oil and the protein included in the...