Table 5.
Mean relative abundance (%) ± SE (n = 8) of the most prevalent phyla, orders, classes, families, and genera found in the intestine of trout fed with two experimental diets. Significant p values (< 0.05) are shown in italic
| Ctrl | Hi15 | p value | |
|---|---|---|---|
| Phylum | |||
| Firmicutes | 7.58 ± 4.32 | 54.08 ± 14.58 | 0.024 |
| Proteobacteria | 42.95 ± 10.61 | 7.58 ± 1.42 | 0.041 |
| Spirochaetes | 1.29 ± 0.83 | 2.63 ± 1.64 | 0.563 |
| Tenericutes | 45.39 ± 11.44 | 29.56 ± 13.50 | 0.411 |
| Fusobacteria | 1.39 ± 0.68 | 5.42 ± 4.28 | 0.958 |
| Bacteroidetes | 1.14 ± 0.72 | 0.00 ± 0.00 | |
| Class | |||
| Clostridia | 0.86 ± 0.63 | 3.59 ± 0.98 | 0.031 |
| Alphaproteobacteria | 10.77 ± 5.86 | 4.65 ± 1.25 | 0.793 |
| Betaproteobacteria | 10.92 ± 6.65 | 1.35 ± 0.92 | 0.103 |
| Gammaproteobacteria | 21.09 ± 11.45 | 1.59 ± 0.69 | 0.018 |
| [Brevinematae] | 1.29 ± 0.98 | 2.63 ± 1.84 | 0.563 |
| Mollicutes | 45.39 ± 11.56 | 29.55 ± 14.60 | 0.411 |
| Bacilli | 5.98 ± 3.53 | 50.35 ± 13.73 | 0.024 |
| Fusobacteriia | 1.39 ± 0.93 | 5.41 ± 4.82 | 0.958 |
| Flavobacteriia | 1.12 ± 0.93 | 0.00 ± 0.00 | |
| Order | |||
| Clostridiales | 1.40 ± 1.10 | 3.81 ± 1.07 | 0.083 |
| Neisseriales | 9.84 ± 6.74 | 0.72 ± 0.56 | 0.178 |
| Aeromonadales | 17.76 ± 11.21 | 0.31 ± 0.20 | 0.009 |
| Enterobacteriales | 1.57 ± 0.98 | 0.49 ± 0.22 | 0.371 |
| [Brevinematales] | 1.36 ± 1.01 | 2.40 ± 1.57 | 0.636 |
| Mycoplasmatales | 49.22 ± 10.94 | 29.37 ± 14.71 | 0.320 |
| Lactobacillales | 9.27 ± 6.10 | 14.62 ± 4.60 | 0.339 |
| Erysipelotrichales | 1.02 ± 0.70 | 0.14 ± 0.06 | 0.220 |
| Fusobacteriales | 1.92 ± 1.35 | 4.74 ± 4.09 | 0.958 |
| Vibrionales | 1.44 ± 0.85 | 0.10 ± 0.07 | 0.215 |
| Stramenopiles | 0.77 ± 0.76 | 1.88 ± 1.88 | 0.543 |
| Flavobacteriales | 1.21 ± 1.01 | 0.00 ± 0.00 | |
| Burkholderiales | 1.13 ± 0.63 | 0.23 ± 0.08 | 0.956 |
| Bacillales | 0.02 ± 0.02 | 38.90 ± 11.18 | 0.001 |
| Family | |||
| Neisseriaceae | 9.84 ± 6.74 | 0.72 ± 0.56 | 0.149 |
| Aeromonadaceae | 17.76 ± 11.21 | 0.31 ± 0.20 | 0.009 |
| Enterobacteriaceae | 1.57 ± 0.98 | 0.49 ± 0.22 | 0.371 |
| Brevinemataceae | 1.36 ± 1.01 | 2.40 ± 1.57 | 0.636 |
| Mycoplasmataceae | 49.23 ± 10.95 | 29.37 ± 14.71 | 0.173 |
| Aerococcaceae | 0.65 ± 0.58 | 0.97 ± 0.66 | 0.122 |
| Enterococcaceae | 3.16 ± 1.64 | 2.45 ± 0.80 | 0.902 |
| Lactobacillaceae | 4.30 ± 3.01 | 7.78 ± 2.48 | 0.226 |
| Streptococcaceae | 0.54 ± 0.49 | 1.30 ± 0.41 | 0.067 |
| Clostridiaceae | 1.09 ± 0.88 | 2.66 ± 0.68 | 0.083 |
| Erysipelotrichaceae | 1.02 ± 0.70 | 0.14 ± 0.06 | 0.220 |
| Fusobacteriaceae | 1.92 ± 1.35 | 4.74 ± 4.09 | 0.958 |
| Moraxellaceae | 0.05 ± 0.04 | 0.60 ± 0.52 | 0.717 |
| Vibrionaceae | 1.44 ± 0.85 | 0.08 ± 0.05 | 0.215 |
| Carnobacteriaceae | 0.26 ± 0.20 | 1.69 ± 0.95 | 0.031 |
| Flavobacteriaceae | 1.21 ± 1.01 | 0.00 ± 0.00 | |
| Oxalobacteraceae | 0.81 ± 0.46 | 0.04 ± 0.02 | 0.629 |
| Bacillaceae | 0.00 ± 0.00 | 25.17 ± 7.16 | |
| Paenibacillaceae | 0.00 ± 0.00 | 7.40 ± 2.25 | |
| Genus | |||
| Deefgea | 8.26 ± 6.57 | 0.61 ± 0.56 | 0.178 |
| Aeromonas | 10.04 ± 6.66 | 0.11 ± 0.07 | 0.007 |
| Vagococcus | 0.56 ± 0.20 | 0.89 ± 0.35 | 0.439 |
| Lactobacillus | 0.55 ± 0.22 | 3.02 ± 1.03 | 0.028 |
| Trichococcus | 0.02 ± 0.02 | 0.60 ± 0.31 | 0.018 |
| Flavobacterium | 0.60 ± 0.43 | 0.00 ± 0.00 | |
| Oceanobacillus | 0.00 ± 0.00 | 7.27 ± 2.12 | |
| Bacillus | 0.00 ± 0.00 | 1.09 ± 0.28 | |
| Paenibacillus | 0.00 ± 0.00 | 2.65 ± 0.76 | |
| Cetobacterium | 0.00 ± 0.00 | 4.12 ± 4.11 | |