Table 5.
Effects of different experimental treatments on intestinal morphology of 21-day-old broilers.
| Items | Control | Dietary CHM-JM113 level (%) | SEM | p-value | |||||
|---|---|---|---|---|---|---|---|---|---|
| 0.25 | 0.5 | 1 | 2 | ANOVA | Linear | Quadratic | |||
| Duodenum | |||||||||
| VH, μm | 1374.93 ± 5.38b | 1376.44 ± 9.17b | 1385.04 ± 3.49ab | 1388.57 ± 10.92ab | 1398.16 ± 4.71a | 2.771 | 0.017 | 0.001 | 0.498 |
| CD, μm | 223.56 ± 2.58 | 223.42 ± 1.60 | 222.25 ± 2.62 | 222.15 ± 1.26 | 221.34 ± 3.26 | 0.565 | 0.760 | 0.217 | 0.961 |
| VH/CD | 6.15 ± 0.06b | 6.16 ± 0.03b | 6.23 ± 0.06ab | 6.25 ± 0.07ab | 6.32 ± 0.09a | 0.022 | 0.045 | 0.004 | 0.658 |
| Jejunum | |||||||||
| VH, μm | 891.46 ± 7.19 | 894.32 ± 1.47 | 903.72 ± 9.92 | 907.91 ± 0.90 | 906.83 ± 11.59 | 2.438 | 0.076 | 0.009 | 0.443 |
| CD, μm | 192.06 ± 1.45 | 190.04 ± 1.88 | 191.68 ± 1.74 | 192.27 ± 1.57 | 188.85 ± 1.90 | 0.514 | 0.139 | 0.211 | 0.326 |
| VH/CD | 4.64 ± 0.006b | 4.70 ± 0.05b | 4.72 ± 0.03b | 4.72 ± 0.04b | 4.80 ± 0.07a | 0.016 | 0.013 | 0.001 | 0.722 |
| Ileum | |||||||||
| VH, μm | 753.64 ± 2.05c | 764.37 ± 2.03c | 783.81 ± 4.05b | 817.77 ± 17.51a | 796.03 ± 7.92b | 6.382 | <0.001 | <0.001 | 0.025 |
| CD, μm | 146.54 ± 0.64 | 141.61 ± 3.56 | 144.29 ± 3.67 | 142.66 ± 3.46 | 144.52 ± 1.79 | 0.775 | 0.337 | 0.582 | 0.168 |
| VH/CD | 5.14 ± 0.01c | 5.40 ± 0.13bc | 5.44 ± 0.14b | 5.74 ± 0.27a | 5.51 ± 0.04ab | 0.060 | 0.008 | 0.003 | 0.048 |
VH, villus height; CD, crypt depth; VH/CD, villus height/crypt depth. Values are presented as the mean ± SD (n = 6). Means ± SD with unlike superscript letters in the same row are significantly different (p < 0.05). The same letter of the shoulder tag was considered to be not significant.