Table 5.
Concentration of tumor necrosis factor α (TNF-α) and IgG in weanling pigs fed the positive control diet (PC), the negative control diet (NC), or diets containing different doses of C. butyricum (CB)1,2
| Treatment | P-value | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Item | PC | NC | NC+ 1,250 cfu | NC + 2,500 cfu | NC + 3,500 cfu | SEM | Linear | Quad3 | NC vs. CB | PC vs. CB | PC vs. NC |
| TNF-α, pg/mL | 75.1 | 117.8 | 115.0 | 111.6 | 120.6 | 10.58 | 0.939 | 0.526 | 0.838 | <0.001 | 0.003 |
| IgG, mg/mL | 4.3 | 3.5 | 4.5 | 5.1 | 3.7 | 0.66 | 0.604 | 0.096 | 0.240 | 0.840 | 0.415 |
1Each least squares mean represents 11 observations.
2 C. butyricum was added to provide 1,250 × 108, 2,500 × 108, or 3,500 × 108 cfu/kg of complete diet.
3Quad, quadratic effect.