Table 7.
Effects of dietary Ecobiol supplementation on digestive enzyme activity of broilers on d 421.
| Item | Ecobiol (mg/kg) |
SEM |
P value |
|||||
|---|---|---|---|---|---|---|---|---|
| 0 | 500 | 1,000 | 1,500 | 2,000 | Linear | Quadratic | ||
| Jejunum | ||||||||
| Amylase (U/mg protein) | 3.25 | 3.97 | 4.37 | 4.74 | 4.59 | 0.17 | <0.001 | 0.008 |
| Lipase (U/g protein) | 23.30 | 23.85 | 49.88 | 45.34 | 36.48 | 6.92 | 0.036 | 0.065 |
| Chymotrypsin (U/mg protein) | 9.02 | 12.66 | 12.79 | 13.28 | 14.67 | 1.18 | 0.003 | 0.351 |
| Trypsin (U/mg protein) | 5,457.52 | 7,097.37 | 6,339.53 | 5,311.48 | 6,449.46 | 730.47 | 0.932 | 0.644 |
| Ileum | ||||||||
| Amylase (U/mg protein) | 3.71 | 3.60 | 4.21 | 4.85 | 4.20 | 0.38 | 0.075 | 0.469 |
| Lipase (U/g protein) | 22.62 | 21.02 | 21.54 | 26.07 | 32.71 | 3.69 | 0.032 | 0.165 |
| Chymotrypsin (U/mg protein) | 6.49 | 5.57 | 4.14 | 5.10 | 6.48 | 1.18 | 0.896 | 0.123 |
| Trypsin (U/mg protein) | 3,156.53 | 5,502.37 | 5,311.72 | 4,794.89 | 4,405.85 | 582.32 | 0.337 | 0.012 |
1
Data are the means of 8 replicates per treatment.