Processing mackerel or herring

摘要

Processing oily fish that has been filleted comprises tempering blocks of the frozen fillets to about -15 C, breaking the blocks, mincing the fish and making the minced fish into a burger or sausage using the fat from the fat seam present in the fish. The fish is mackerel, salmon, herring, sprats or anchovies that are rich in omega-3 fatty acid.