Table 10.
Effects of dietary fiber parameters on the jejunal gene expression of male broilers reared to 21 d of age1.
| Gene |
||||
|---|---|---|---|---|
| Fiber type2 | Particle size (µm) | Level | SGLT-1 | Pept-1 |
| Control | - | - | 1.00 | 1.00b |
| CL | 100 | 4% | 0.447 | 3.17ab |
| CL | 100 | 8% | 0.245 | 1.56ab |
| CL | 600 | 4% | 0.294 | 2.63ab |
| CL | 600 | 8% | 1.244 | 4.11a |
| SH | 100 | 4% | 0.442 | 3.27ab |
| SH | 100 | 8% | 0.075 | 2.39ab |
| SH | 600 | 4% | 0.237 | 1.19ab |
| SH | 600 | 8% | 0.085 | 1.6ab |
| Standard error | 0.344 | 0.700 | ||
| P-value | 0.080 | <0.010 | ||
| Main effects | ||||
| Fiber type | CL | 0.558 | 2.87 | |
| SH | 0.210 | 2.11 | ||
| Particle size (µm) | 100 | 0.302 | 2.38 | |
| 600 | 0.465 | 2.60 | ||
| Level | 4% | 0.355 | 2.56 | |
| 8% | 0.412 | 2.41 | ||
| Source of variation (P-value) | ||||
| Fiber type (T) | 0.122 | 0.124 | ||
| Particle size (P) | 0.463 | 0.656 | ||
| Inclusion level (L) | 0.795 | 0.752 | ||
| Type × Particle size | 0.244 | 0.015 | ||
Boldface indicates the particle size and inclusion levels of dietary fiber.
1
Values are the least-square means of 6 replicate birds per treatment.
2
Abbreviations: CL, cellulose, SH, soyhulls.
a-d
Means within a column not sharing a common superscript differ significantly (P < 0.05).