| Intestinal portion | Embryo with 16 days of incubation (ng/µl) | Chicken 1 (ng/µl) | Chicken 2 (ng/µl) | Chicken 3 (ng/µl) | Average adult birds (ng/µl) |
| Duodenum | 1853.1 | 297.6 | 225.1 | 421 | 314.5 |
| Jejunum | 1519.2 | 274.2 | 120.2 | 77.9 | 157.4 |
| Ileum | 1137.9 | 118.5 | 1283.4 | 633.1 | 678.3 |
| Cecum | 2002.4 | 264.6 | 1398.7 | 1340 | 1001.1 |
| Rectum | 1996.6 | 70.9 | 269.2 | 844 | 394.7 |