Table 4.
Effects of dietary supplementation with combination of zeolite and attapulgite (ZA) on digestive enzyme activities in jejunal digesta and jejunal mucosa of broiler chickens in experiment 2
| Items (U/mg protein) | Age (d) | Control | Treatment | p value |
|---|---|---|---|---|
| Jejunal digesta | ||||
| Amylase | 21 | 72.34±4.91 | 97.05±7.37 | 0.024 |
| 42 | 56.58±3.23 | 71.60±4.16 | 0.029 | |
| Lipase | 21 | 56.62±2.02 | 70.82±2.52 | 0.002 |
| 42 | 54.88±1.19 | 65.85±1.72 | 0.041 | |
| Trypsin | 21 | 45.71±1.79 | 52.67±1.64 | 0.021 |
| 42 | 44.93±0.90 | 49.74±1.10 | 0.011 | |
| Jejunal mucosa | ||||
| Maltase | 21 | 15.12±0.74 | 22.07±0.75 | 0.001 |
| 42 | 15.54±0.67 | 18.74±0.69 | 0.011 | |
| Sucrase | 21 | 120.16±2.21 | 133.75±3.10 | 0.015 |
| 42 | 108.56±3.46 | 122.40±4.05 | 0.036 | |