Farm | No. of observations | No Pars Oesophageal Ulcers (NPOU) | Pars Oesophageal Ulcers (POU) | Within-Herd Prevalence (No.) | 95% CI | ||||
---|---|---|---|---|---|---|---|---|---|
Healthy | Parakeratosis | Erosion | Ulcer | Scar | Oesophageal stenosis | ||||
1 | 20 | 18 | 2 | 0 | 0 | 0 | 0 | 0% | 0.87; 1.00 |
2 | 20 | 4 | 9 | 2 | 1 | 4 | 0 | 25% (5) | 0.54; 0.89 |
3 | 20 | 6 | 8 | 1 | 3 | 2 | 0 | 25% (5) | 0.54; 0.89 |
4 | 20 | 0 | 3 | 0 | 7 | 8 | 2 | 85% (17) | 0.04; 0.34 |
5 | 20 | 3 | 4 | 1 | 7 | 2 | 3 | 60% (12) | 0.21; 0.60 |
6 | 20 | 5 | 9 | 1 | 2 | 2 | 1 | 25% (5) | 0.54; 0.89 |
7 | 20 | 4 | 5 | 0 | 6 | 4 | 1 | 55% (11) | 0.25; 0.65 |
8 | 20 | 11 | 8 | 0 | 1 | 0 | 0 | 5% (1) | 0.79; 0.99 |
9 | 20 | 5 | 8 | 0 | 3 | 4 | 0 | 35% (7) | 0.46; 0.82 |
10 | 20 | 0 | 11 | 1 | 4 | 4 | 0 | 40% (8) | 0.39; 0.78 |
Total | 200 | 56 | 67 | 6 | 34 | 30 | 7 | 35.5%b (71) | – |