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The frequency of M. avium subsp. avium among different examined birds
| Species of bird | No. of collected samples | No. of positive samples | Percentage of positive samples | |||
|---|---|---|---|---|---|---|
| Apparently healthy | Diseased | Apparently healthy | Diseased | Apparently healthy | Diseased | |
| Chicken | 20 | 20 | 0 | 0 | 0 | 0 |
| Ducks | 20 | 20 | 0 | 4 | 0 | 10 (4/40) |
| Geese | 20 | 20 | 0 | 1 | 0 | 2.5 (1/40) |
| Total | 120 | 5 | 4.1 (5/120) | |||
|
Chi square Pvalue |
15.4 0.008783 |
|||||
