Table 1.
Ultrasonographic characteristics of gastrointestinal segments in Standardbred neonates
| Viscus | Viscus Identified (n/18) | Layering Observed (n) | Number of Layers (n) | Wall Thickness Mean ± SD | Motility | Contents |
|---|---|---|---|---|---|---|
| Stomach | 16/18 | 16 | 5 (16) | 2.6 ± 0.5 | NA | Milk and gas 16/16 |
| Duodenum | 18/18 | 0 | NA | 2.6 ± 0.5 | I: 18/18 | Fluid |
| Jejunum | 18/18 | 0 | NA | 2.4 ± 0.4 |
C: 10/18 I: 8/18 |
Fluid |
| Ileum | 0/18 | NA | NA | NA | NA | NA |
| Cecum | 18/18 | 18 | 3 (10); 4 (2); 5 (6) | 1.7 ± 0.5 | Not detected | Gas 18/18 |
| Colon | 18/18 | 18 | 3 (4); 4 (2); 5 (12) | 1.8 ± 0.3 | Not detected |
Meconium 11/18 Heterogenous 7/18 |
| Small colon | 18/18 | 7 | 3 (7) | Not measured | Not detected | Meconium 6/18 |
SD, standard deviation; NA, not applicable; n, number of individuals; I, intermittent; C, continuous.