Table 4.
Effect of different energy level during gestation on activity of different digestive enzymes in small intestine (in jejunum and ileum) of piglet fetuses, and newborn and weaned piglets (28 day post-birth). (Mean values with their standard errors). (n = 6 for each group).
| U/mg Protein | Fetus | Newborn Piglets | Weaned Piglets | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CON | HED | p-Value | CON | HED | p-Value | CON | HED | p-Value | |
| Jejunum | |||||||||
| Lactase | 105.91 ± 10.21 | 68.71 ± 2.36 | 0.012 | 96.89 ± 2.52 | 93.57 ± 44.38 | 0.943 | 50.61 ± 6.34 | 85.08 ± 11.86 | 0.043 |
| Maltase | 35.73 ± 3.71 | 32.14 ± 2.15 | 0.435 | 23.59 ± 1.49 | 30.47 ± 3.83 | 0.145 | 92.93 ± 46.47 | 105.16 ± 52.56 | 0.115 |
| Sucrase | - | - | - | 1.42 ± 0.17 | 4.37 ± 0.18 | <0.001 | 66.88 ± 5.74 | 151.12 ± 18.33 | 0.005 |
| Ileum | |||||||||
| Lactase | 33.40 ± 4.73 | 28.49 ± 4.56 | 0.483 | 10.83 ± 0.99 | 20.48 ± 0.91 | <0.001 | 0.12 ± 0.02 | 0.18 ± 0.03 | 0.199 |
| Maltase | 16.84 ± 1.78 | 16.85 ± 0.81 | 0.996 | 13.82 ± 1.43 | 16.46 ± 2.29 | 0.366 | 50.32 ± 10.78 | 79.87 ± 11.02 | 0.104 |
| Sucrase | - | - | - | 0.22 ± 0.04 | 1.35 ± 0.21 | 0.002 | 8.67 ± 0.76 | 17.81 ± 1.19 | 0.001 |