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. 2020 Dec 27;10(1):16. doi: 10.3390/antiox10010016

Figure 1.

Figure 1

Effects of dietary fish oil (FO) substitution by docosahexaenoic acid (DHA)-rich microalgae and source of astaxanthin (AST) on astaxanthin concentrations in the muscle (fillet, A,C) and liver (B,D) of juvenile rainbow trout fed the plant meal- (PM, A,B) and fishmeal (FM, C,D)-based diets. Means labelled with different letters [lowercase (a, b), synthetic astaxanthin (SA) groups; uppercase (A–C), microalgae astaxanthin (AA) groups] are different between various fish oil substitutions (p < 0.05). Asterisks (*) indicate differences between SA and AA groups (p < 0.05) at the same level of FO substitution. FO: fish oil. AST: astaxanthin.