Table 7.
Effect of dietary DMY supplementation on mucosal enzyme activity of small intestine in weaned piglets upon ETEC challenge.1
| Items | Treatments2 | SEM | p-value | ||
|---|---|---|---|---|---|
| CON | ETEC | ETECPE | |||
| Duodenum | |||||
| AKP, U/g protein | 8.12a | 6.17b | 7.82a | 0.40 | 0.04 |
| Sucrase, U/mg protein | 162.35b | 160.14b | 202.50a | 15.54 | 0.02 |
| Lactase, U/mg protein | 180.26 | 166.82 | 177.66 | 16.18 | 0.68 |
| Maltase, U/mg protein | 216.71b | 221.71b | 305.47a | 27.13 | <0.01 |
| Jejunum | |||||
| AKP, U/g protein | 11.25a | 8.52b | 9.51ab | 0.43 | 0.05 |
| Sucrase, U/mg protein | 379.77a | 303.82b | 370.20a | 23.22 | <0.01 |
| Lactase, U/mg protein | 307.45a | 227.72b | 320.11a | 24.38 | <0.01 |
| Maltase, U/mg protein | 774.16 | 661.24 | 624.68 | 80.24 | 0.17 |
| Ileum | |||||
| AKP, U/g protein | 4.12 | 3.59 | 3.73 | 0.31 | 0.32 |
| Sucrase, U/mg protein | 51.79ab | 38.33b | 54.62a | 5.74 | 0.02 |
| Lactase, U/mg protein | 74.80 | 62.10 | 50.27 | 12.36 | 0.16 |
| Maltase, U/mg protein | 122.01 | 102.69 | 102.40 | 10.21 | 0.11 |
AKP, alkaline phosphatase.
Data are means of eight replicates per treatment.
CON, pigs were fed with a basal diet; ECON, pigs were fed with a basal diet and challenged by ETEC; EDMY, pigs were fed with a DMY-containing diet and challenged by ETEC.
a,bWithin a row, values with different superscript letters differ (p < 0.05).