Table 5.
Bacterial taxonomy within the fecal contents of weaning piglets.
| Relative Abundance (%) | ||||||
|---|---|---|---|---|---|---|
| C 1 | L 2 | H 3 | A 4 | SEM | p-Value | |
| Phylum | ||||||
| Firmicutes | 67.15 | 72.20 | 63.51 | 75.87 | 5.34 | 0.11 |
| Bacteroidetes | 30.66 | 24.29 | 31.77 | 22.26 | 5.53 | 0.18 |
| Actinobacteria | 1.22 b | 1.14 b | 1.95 a | 0.78 c | 0.10 | <0.001 |
| Proteobacteria | 0.32 b | 0.35 b | 0.64 a | 0.27 b | 0.07 | <0.001 |
| Class | ||||||
| Clostridia | 47.75 a | 47.83 a | 44.88 a,b | 40.37 b | 2.47 | 0.03 |
| Bacteroidia | 24.29 | 22.26 | 31.77 | 30.66 | 5.53 | 0.18 |
| Bacilli | 17.02 a | 19.62 a | 8.55 b | 20.15 a | 2.23 | <0.01 |
| Negativicutes | 6.35 | 7.23 | 6.24 | 5.91 | 1.14 | 0.62 |
| Erysipelotrichia | 1.07 b | 1.18 b | 3.85 a | 0.72 b | 0.27 | <0.001 |
| Methanobacteria | 1.32 a | 0.35 a,b | 1.21 a,b | 0.14 b | 0.35 | 0.02 |
| Actinobacteria | 0.66 c | 0.14 d | 1.35 a | 0.92 b | 0.05 | <0.001 |
| Order | ||||||
| Clostridiales | 47.75 a | 47.83 a | 44.88 a,b | 40.37 b | 2.47 | 0.03 |
| Bacteroidales | 24.26 | 22.22 | 31.73 | 30.65 | 5.53 | 0.18 |
| Lactobacillales | 17.02 a | 19.62 a | 8.55 b | 20.15 a | 2.23 | <0.01 |
| Selenomonadales | 6.35 | 7.23 | 6.24 | 5.91 | 1.14 | 0.62 |
| Erysipelotrichales | 1.07 b | 1.18 b | 3.85 a | 0.72 b | 0.27 | <0.001 |
| Methanobacteriales | 1.32 a | 0.35 a,b | 1.21 a,b | 0.14 b | 0.35 | 0.02 |
| Bifidobacteriales | 0.66 c | 0.14 d | 1.35 a | 0.92 b | 0.05 | <0.001 |
| Family | ||||||
| Prevotellaceae | 20.00 | 20.50 | 27.66 | 28.60 | 5.67 | 0.20 |
| Lachnospiraceae | 27.28 a,b | 30.18 a | 24.55 b | 24.49 b | 1.15 | <0.01 |
| Ruminococcaceae | 16.55 a | 13.68 a,b | 14.81 a | 10.93 b | 1.56 | 0.01 |
| Lactobacillaceae | 12.23 a | 12.87 a | 5.71 b | 16.13 a | 2.02 | <0.01 |
| Streptococcaceae | 4.79 b | 6.75 a | 2.84 c | 4.01 b | 0.32 | <0.001 |
| Veillonellaceae | 5.40 | 6.27 | 5.66 | 5.33 | 1.02 | 0.71 |
| Muribaculaceae | 2.29 a | 1.02 b | 2.68 a | 1.35 b | 0.20 | <0.001 |
| Rikenellaceae | 1.56 a | 0.52 b | 0.71 b | 0.50 b | 0.10 | <0.001 |
| Christensenellaceae | 1.28 a | 0.39 b | 1.55 a | 0.41 b | 0.11 | <0.001 |
| Clostridiaceae | 1.23 c | 1.77 a,b | 2.07 a | 1.66 b | 0.11 | <0.001 |
| Erysipelotrichaceae | 1.07 b | 1.18 b | 3.85 a | 0.72 b | 0.27 | <0.001 |
| Peptostreptococcaceae | 0.90 c | 1.40 b | 1.26 b,c | 2.45 a | 0.11 | <0.001 |
| Genus | ||||||
| Prevotella 9 | 9.22 | 14.05 | 15.00 | 18.37 | 3.58 | 0.08 |
| Lactobacillus | 12.23 a | 12.87 a | 5.71 b | 16.13 a | 2.02 | <0.01 |
| Blautia | 5.41 b | 10.17 a | 5.27 b | 5.15 b | 0.33 | <0.001 |
| Streptococcus | 4.79 b | 6.75 a | 2.84 c | 4.01 b | 0.32 | <0.001 |
| Prevotellaceae NK3B31 group | 3.46 a | 1.37 b | 3.39 a | 2.07 a,b | 0.57 | <0.01 |
| Agathobacter | 4.08 a,b | 5.46 a | 1.48 b | 5.59 a | 1.03 | 0.02 |
| [Ruminococcus] gauvreauii group | 3.71 a | 2.10 b | 1.65 b,c | 1.23 c | 0.19 | <0.001 |
| Subdoligranulum | 3.17 a | 4.72 b | 3.17 a | 2.58 a | 0.36 a | <0.01 |
| Ruminococcaceae UCG-005 | 2.94 a | 1.06 c | 1.98 b | 1.05 c | 0.19 | <0.001 |
| Ruminococcaceae UCG-008 | 2.74 a | 1.82 b | 1.82 b | 1.30 c | 0.15 | <0.001 |
| Megasphaera | 3.08 | 4.69 | 2.88 | 2.85 | 0.65 | 0.05 |
| Lachnospiraceae unclassified | 1.95 b | 1.56 b | 4.67 a | 1.59 b | 0.85 | 0.02 |
| Prevotella 1 | 1.45 a,b | 0.86 b | 2.37 a | 0.89 b | 0.45 | 0.03 |
| Prevotella 7 | 1.30 b | 2.12 a,b | 3.65 a | 3.25 a,b | 0.67 | 0.02 |
| Lachnospiraceae ND3007 group | 1.25 | 0.82 | 0.81 | 1.00 | 0.18 | 0.15 |
Values are expressed as mean (n = 3), a–c Means within a row that have no common superscript are significantly different (p < 0.05). 1 C = Basal diet, 2 L = Basal diet plus 1 g/kg Bacillus licheniformis-fermented products, 3 H = Basal diet plus 4.5 g/kg Bacillus licheniformis-fermented products, 4 A = Basal diet plus 30 mg/kg antibiotics (bacitracin methylene disalicylate), 5.