Table 7. Effect of energy level and dietary beet pulp on intestinal LPS and LBP levels of growing-finishing pigs under heat stress conditions.
| Temperature (T) | TN | HS | SEM | p-value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ME (kcal/kg) (E) | 3,300 | 3,300 | 3,450 | 3,300 | HS | ||||||||
| Fiber level (F) | Low | High | Low | High | Low | High | T | F | T × F | E | F | E × F | |
| Phase 1 (d 0–28) (ng/mL) | |||||||||||||
| LPS | 22.50 | 19.69 | 30.07 | 27.85 | 30.85 | 27.25 | 0.83 | < 0.001 | 0.082 | 0.836 | 0.957 | 0.009 | 0.684 |
| LBP | 23.10 | 20.99 | 31.22 | 27.95 | 31.58 | 27.43 | 0.72 | < 0.001 | 0.013 | 0.570 | 0.958 | 0.016 | 0.764 |
| Phase 2 (d 29–56) (ng/mL) | |||||||||||||
| LPS | 25.67 | 26.25 | 33.97 | 31.98 | 33.81 | 31.17 | 0.61 | < 0.001 | 0.599 | 0.343 | 0.696 | 0.071 | 0.794 |
| LBP | 25.85 | 23.35 | 34.82 | 32.24 | 34.24 | 32.98 | 0.53 | < 0.001 | 0.004 | 0.967 | 0.942 | 0.086 | 0.549 |
TN, thermoneutral (21°C–24°C); HS, heat stress (30°C–34°C); ME, metabolizable energy; LPS, lipopolysaccharide; LBP, lipopolysaccharide-binding protein.