Table 3.
Effects of YP administration on intestinal morphology in piglets infected with PEDV.
| Items | Control | PEDV | PEDV+YP | p-value |
|---|---|---|---|---|
| duodenum | ||||
| VH (μm) | 373.300 ± 61.310a | 253.676 ± 36.868b | 358.426 ± 51.496a | <0.001 |
| CD (μm) | 136.234 ± 13.163b | 156.581 ± 9.720a | 144.076 ± 11.639ab | 0.006 |
| VA (μm2) | 35661.731 ± 10687.806a | 21352.932 ± 4858.366b | 32490.682 ± 4887.441a | 0.003 |
| VH/CD | 2.603 ± 0.455a | 1.787 ± 0.277b | 2.415 ± 0.166a | <0.001 |
| jejunum | ||||
| VH (μm) | 381.593 ± 26.221a | 294.554 ± 44.511b | 327.185 ± 49.752b | 0.001 |
| CD (μm) | 111.981 ± 8.800a | 121.375 ± 14.906a | 95.248 ± 16.196b | 0.009 |
| VA (μm2) | 34172.984 ± 6184.644a | 25626.223 ± 5284.460b | 32701.427 ± 3622.767a | 0.009 |
| VH/CD | 3.313 ± 0.256a | 2.739 ± 0.377b | 3.187 ± 0.592ab | 0.02 |
| ileum | ||||
| VH (μm) | 329.953 ± 36.755a | 261.507 ± 30.567b | 252.916 ± 29.692b | <0.001 |
| CD (μm) | 101.929 ± 11.477a | 102.149 ± 6.633a | 87.837 ± 13.598b | 0.045 |
| VA (μm2) | 29804.723 ± 5452.772a | 20262.433 ± 4157.977b | 20368.862 ± 2418.766b | <0.001 |
| VH/CD | 3.078 ± 0.287 | 2.849 ± 0.196 | 2.798 ± 0.247 | 0.093 |
| colon | ||||
| CD (μm) | 290.335 ± 11.802b | 334.538 ± 35.818a | 278.393 ± 22.769b | 0.001 |
Values are mean and pooled SEM, n = 6; VH, villus height; CD, crypt depth; VA, villus area; a,b,c within a row, means with different superscripts differ, p < 0.05.