Table 8.
Effect of dietary enzyme supplementation on digestive enzyme activities of broiler chickens on d 28 (Experiment 2).
| Treatment1 | Jejunal enzyme activities |
Ileal enzyme activities |
||||
|---|---|---|---|---|---|---|
| Lipase (U/gprot) | Amylase (U/mgrot) | Trypsin (U/mgrot) | Lipase (U/gprot) | Amylase (U/mgrot) | Trypsin (U/mgrot) | |
| Con | 479.34 | 35.23 | 21,684.22c | 166.23c | 37.12 | 16,204.15c |
| GAS | 427.02 | 30.52 | 20,638.12c | 202.15bc | 43.68 | 16,208.82c |
| MAS | 543.70 | 40.32 | 29,094.52a | 174.72c | 28.15 | 16,058.16c |
| PRO | 335.58 | 29.93 | 28,354.21ab | 196.96bc | 27.25 | 15,710.49c |
| GAS+PRO | 437.19 | 36.89 | 23,984.07bc | 230.25abc | 31.70 | 16,997.15bc |
| MAS+PRO | 443.05 | 33.84 | 27,404.09ab | 248.35ab | 38.84 | 19,641.32a |
| GAS+MAS+PRO | 287.28 | 36.03 | 23,301.66bc | 281.59a | 27.25 | 18,581.83ab |
| SEM | 12.880 | 1.762 | 234.690 | 9.326 | 2.327 | 330.210 |
| P-value | 0.056 | 0.771 | 0.001 | 0.003 | 0.420 | 0.003 |
a-c
Means with different superscripts within the same row are significantly different (P < 0.05).
1
Con, control diet; GAS, α-galactosidase; MAS, β-mannanase; PRO, Protease; GAS+PRO, α-galactosidase+ Protease; MAS+PRO; β-mannanase+ Protease; GAS+MAS+PRO, α-galactosidase+β-mannanase +Protease.