Figure 1

Blood amino acid concentrations. (a) Dispensable and (b) indispensable blood free amino acid levels in fish fed one of four diets; FM, PL, PHP or SPH. Values are means ± SD (n = 11). Statistical analysis was completed using one-way ANOVA and Tukey’s Multiple Comparison test. Significant differences denoted as: *(p < 0.05), **(p < 0.01), and ***(p < 0.001).