Abstract
Abstract A 9-week feeding trial was conducted to evaluate the effects of dietary shrimp shell meal (SSM) on the growth performance, body composition, skin coloration and anti-oxidative capacity of large yellow croaker Larimichthys croceus . A control diet (SM0) without SSM, a diet with 12% of SSM (SM12) and a diet with 24% of SSM (SM24) were each fed to three groups of 70-g large yellow croaker. Results showed that the specific growth rate (SGR), survival rate (SR) and protein efficiency ratio (PER) in the SM24 group were significantly lower than those in the SM12 and SM0 groups ( P P P P P > 0.05). However, the total anti-oxidative capacity (T-AOC) in the SM12 group was significantly higher than that in SM0. In conclusion, dietary SSM can improve the skin coloration with no negative effects on the anti-oxidative capacity of large yellow croaker. However, high dietary SSM (24%) decreased the growth performance and whole-body lipid content.
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