Table 5.
Gross lesions attributed to different intestinal segments of infected birds in free-range chicken in Sidi Thabet, Tunisia.
| Intestine | Broiler (<10 wks) | Pullet (10–20 wks) | Layer (>20 wks) | |||
|---|---|---|---|---|---|---|
| Number of birds examined | Number of positive samples (%) | Number of birds examined | Number of positive samples (%) | Number of birds examined | Number of positive samples (%) | |
| Duodenum | 210 | 58 (27.6) | 210 | 63 (30) | 210 | 41 (19.5) |
| Jejunum/ileum | 210 | 30 (14.2) | 210 | 44 (20.9) | 210 | 78 (37.1) |
| Colon/rectum | 210 | 8 (3.8) | 210 | 11 (5.2) | 210 | 9 (4.2) |
| Ceca | 210 | 102 (48.5) | 210 | 92 (43.8) | 210 | 82 (39.04) |