Table 3.
Plasma parameters of immune status in pigs inoculated with Salmonella typhimurium
| Low fiber | High fiber | P-value3 | ||||||
|---|---|---|---|---|---|---|---|---|
| Item | STD Thr1 | SUP Thr2 | STD Thr | SUP Thr | SEM | Fiber | Thr | Period |
| White blood cell count, ×10 9 g/L | ||||||||
| Preinoculation | 20.32 | 18.98 | 18.86 | 16.36 | 1.03 | <0.05 | 0.08 | NS4 |
| Postinoculation (day 4) | 19.93 | 20.41 | 19.46 | 17.51 | ||||
| Postinoculation (day 7) | 19.41 | 20.37 | 20.17 | 18.23 | ||||
| Albumin, g/L | ||||||||
| Preinoculation | 35.92 | 36.50 | 37.63 | 36.00 | 1.59 | NS | 0.07 | <0.01 |
| Postinoculation (day 4) | 30.08 | 29.47 | 31.00 | 27.60 | ||||
| Postinoculation (day 7) | 36.31 | 34.89 | 37.63 | 34.24 | ||||
| Haptoglobin, g/L | ||||||||
| Preinoculation | 0.94 | 1.26 | 1.22 | 0.96 | 0.27 | NS | NS | <0.01 |
| Postinoculation (day 4) | 1.71 | 1.73 | 1.56 | 1.56 | ||||
| Postinoculation (day 7) | 1.66 | 1.89 | 1.87 | 1.75 | ||||
| Immunoglobulin G, mg/L | ||||||||
| Preinoculation | 10.27 | 11.09 | 10.42 | 10.94 | 1.27 | |||
| Postinoculation (day 4) | 11.24 | 11.79 | 11.5 | 11.52 | NS | NS | NS | |
| Postinoculation (day 7) | 10.44 | 12.39 | 12.38 | 11.85 | ||||
1STD Thr, Standard Thr (0.65% standardized ileal digestible).
2SUP Thr, Supplemental Thr (0.78% standardized ileal digestible).
3No significant two- or three-way interactions were observed.
4NS, not significant (P > 0.05).