Figure 3

α-Diversity measures; (a) Chao1 index and (b) Shannon index, of 16S microbiota gut community compositions of pre-treatment salmon parr (PT) and fish that were fed four different dietary treatments (FM, PL, PHP and SPH) for 12 weeks. Significant differences denoted as: *(p < 0.05), **(p < 0.01), and ***(p < 0.001), n = 3.