TABLE 6.
Pearson correlation coefficients between the populations of the principal genera at WK 2 and immunoglobulin indices.
| Genus | ADG | Total feed intake | Starter intake | Feed efficiency |
Serum concentration |
||
| IgA | IgG | IgM | |||||
| Bacteria | |||||||
| Blautia | 0.18 | −0.71* | −0.71* | 0.21 | –0.35 | −0.57* | –0.39 |
| Bacteroides | 0.20 | –0.37 | –0.37 | 0.36 | −0.72* | –0.28 | –0.37 |
| Ruminococcaceae_UCG-014 | 0.43 | 0.28 | 0.28 | 0.14 | 0.37 | 0.19 | 0.26 |
| Peptostreptococcus | 0.07 | 0.37 | 0.37 | –0.29 | –0.15 | 0.05 | –0.12 |
| Bifidobacterium | 0.34* | 0.05 | 0.05 | 0.32 | 0.38 | 0.00 | 0.09 |
| Collinsella | −0.54* | –0.25 | –0.25 | –0.26 | –0.18 | –0.02 | 0.09 |
| Faecalibacterium | –0.07 | 0.00 | 0.00 | 0.21 | 0.33 | 0.00 | 0.24 |
| Subdoligranulum | –0.04 | 0.02 | 0.02 | 0.13 | 0.37 | 0.22 | 0.40 |
| Lactobacillus | –0.15 | 0.16 | 0.16 | 0.12 | 0.01 | 0.25 | 0.10 |
| Norank_f__Lachnospiraceae | –0.28 | –0.09 | –0.09 | –0.58 | –0.23 | 0.28 | 0.30 |
| Tyzzerella_4 | –0.41 | –0.02 | –0.02 | –0.03 | 0.24 | 0.39 | 0.40 |
| Fusobacterium | 0.01 | 0.06 | 0.06 | –0.14 | –0.21 | –0.18 | –0.21 |
| Butyricicoccus | –0.34 | –0.38 | –0.38 | –0.20 | –0.29 | –0.39 | –0.42 |
| [Ruminococcus]_torques_group | –0.49 | –0.05 | –0.05 | –0.19 | –0.21 | –0.07 | –0.02 |
| Dorea | –0.36 | –0.05 | –0.05 | 0.18 | 0.33 | 0.46 | 0.44 |
| Corynebacterium_1 | 0.18 | 0.05 | 0.05 | –0.04 | 0.12 | 0.02 | –0.10 |
| Peptoclostridium | –0.08 | –0.04 | –0.04 | –0.04 | 0.18 | 0.12 | 0.21 |
| Prevotella_7 | 0.24 | 0.17 | 0.17 | 0.22 | 0.38 | 0.14 | 0.25 |
| Norank_f__Muribaculaceae | 0.27 | 0.19 | 0.19 | 0.36 | 0.13 | –0.02 | –0.33 |
| Peptostreptococcus | 0.07 | 0.37 | 0.37 | –0.29 | –0.15 | 0.05 | –0.12 |
| Fungi | |||||||
| Aspergillus | 0.23 | 0.38 | 0.38 | 0.04 | 0.28 | 0.00 | 0.22 |
| Cutaneotrichosporon | –0.29 | −0.60** | −0.60** | –0.22 | –0.30 | –0.24 | 0.11 |
| Pichia | 0.15 | –0.21 | –0.21 | –0.65 | −0.55* | –0.40 | –0.45 |
| Thermomyces | 0.09 | 0.50 | 0.50 | 0.02 | 0.23 | 0.23 | 0.26 |
| Saccharomyces | –0.15 | 0.23 | 0.23 | 0.05 | 0.52* | 0.56* | 0.73 |
| Melanocarpus | 0.30 | 0.51* | 0.51* | 0.24 | 0.45 | 0.24 | 0.26 |
| Kazachstania | –0.27 | 0.21 | 0.21 | –0.14 | 0.01 | 0.47 | 0.09 |
| Acrostalagmus | 0.23 | 0.05 | 0.05 | –0.06 | –0.24 | –0.03 | –0.12 |
| Unclassified_f__Neocallimastigaceae | –0.18 | 0.18 | 0.18 | 0.09 | 0.05 | 0.39 | 0.02 |
| Wallemia | –0.04 | 0.11 | 0.11 | 0.06 | 0.40 | 0.11 | 0.45 |
| Unclassified_o__Chaetothyriales | –0.07 | –0.05 | –0.05 | 0.04 | −0.35* | –0.01 | –0.53 |
| Unclassified_c__Sordariomycetes | 0.05 | 0.27 | 0.27 | 0.12 | 0.51 | 0.42 | 0.57 |
| Unclassified_p__Ascomycota | –0.40 | 0.14 | 0.14 | –0.29 | –0.15 | 0.34 | –0.08 |
| Candida | 0.42 | –0.05 | –0.05 | –0.21 | –0.43 | –0.29 | –0.42 |
| Ramularia | –0.37 | 0.25 | 0.25 | 0.28 | –0.08 | 0.36 | –0.31 |
| Unclassified_f__Plectosphaerellaceae | –08 | 0.04 | 0.04 | 0.33 | 0.46 | 0.30 | 0.59 |
| Veronaea | –0.09 | –0.14 | –0.14 | 0.17 | 0.25 | 0.08 | 0.25 |
| Paraphaeosphaeria | –0.30 | 0.12 | 0.12 | –0.23 | –0.27 | 0.21 | –0.12 |
| Acremonium | –0.20 | 0.23 | 0.23 | 0.25 | 0.24 | 0.28 | –0.15 |
| Unclassified_k__Fungi | –0.14 | 0.15 | 0.15 | –0.05 | –0.24 | –0.08 | 0.08 |
| Nigrospora | –0.14 | 0.21 | 0.21 | –0.12 | 0.22 | 0.38 | 0.41 |
| Unclassified_o__Pleosporales | 0.18 | 0.14 | 0.14 | 0.11 | 0.28 | 0.16 | 0.22 |
| Golovinomyces | –0.26 | –0.25 | –0.25 | –0.42 | –0.14 | 0.31 | 0.36 |
| Chrysosporium | 0.39 | 0.41 | 0.41 | 0.26 | 0.28 | 0.00 | 0.22 |
*p < 0.05, **p < 0.01.