Table 4.
Effects of dietary Gln supplementation on the small intestine morphology of broilers challenged with LPS.
| Item | Saline | LPS | SEM | p Value | ||||
|---|---|---|---|---|---|---|---|---|
| Ala | Gln | Ala | Gln | LPS | Gln | LPS × Gln | ||
| Duodenum | ||||||||
| Villus height (μm) | 945.2 | 1016.4 | 851.8 | 885.1 | 15.474 | <0.001 | 0.027 | 0.401 |
| Crypt depth (μm) | 183.9 | 168.2 | 196.7 | 183.3 | 3.603 | 0.043 | 0.039 | 0.852 |
| H:C (μm/μm) | 5.15 | 6.09 | 4.38 | 4.90 | 0.152 | <0.001 | 0.002 | 0.339 |
| Jejunum | ||||||||
| Villus height (μm) | 880.2 | 961.9 | 802.3 | 835.7 | 13.178 | <0.001 | 0.004 | 0.194 |
| Crypt depth (μm) | 172.7 c | 160.8 d | 205.7 a | 182.1 b | 3.164 | <0.001 | <0.001 | 0.018 |
| H:C (μm/μm) | 5.09 | 6.00 | 3.91 | 4.59 | 0.152 | <0.001 | <0.001 | 0.417 |
| Ileum | ||||||||
| Villus height (μm) | 656.1 | 700.8 | 541.1 | 581.9 | 11.629 | <0.001 | <0.001 | 0.779 |
| Crypt depth (μm) | 184.7 | 181.0 | 190.7 | 188.2 | 1.148 | 0.002 | 0.128 | 0.761 |
| H:C (μm/μm) | 3.56 | 3.87 | 3.07 | 3.25 | 0.059 | <0.001 | <0.001 | 0.168 |
Ala, alanine; Gln, glutamine. H:C, the ratio of villus height to crypt depth. Values are means ± SEM, n = 10 (10 chicken per treatment). Means in a row with superscripts without a common letter differ, p < 0.05.