Research Article
Prevalence of Coccidiosis in Free-Range Chicken in Sidi Thabet, Tunisia
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) |
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