fed dietary algae. However, Dantagnan et al. (2009) reported that the inclusion of 3 and
6 % macroalgae meal resulted in a significant increase in polyunsaturated fatty acids
(PUFAs), especially EPA (20:5n-3), DHA (22:6n-3) and linolenic acid, in rainbow trout
muscle, and Walker et al. (2009) observed that the arachidonic acid (20:4n-6) levels were
elevated in Atlantic cod Gadus morhua juveniles fed Porphyra (30 % fishmeal replace).