Table 2 Distribution of calves by disease group and herd in a Danish longitudinal field study of four dairy herds with an outbreak of M. bovis-associated disease
Disease group | M. bovis | Respiratory | Healthy | Total |
|---|---|---|---|---|
Herd 1 | ||||
Calves | 2 | 13 | 0 | 15 |
Samples | 8 | 43 | 0 | 51 |
Herd 2 | ||||
Calves | 7 | 14 | 1 | 22 |
Samples | 29 | 70 | 2 | 101 |
Herd 3 | ||||
Calves | 6 | 11 | 3 | 20 |
Samples | 23 | 51 | 15 | 89 |
Herd 4 | ||||
Calves | 15 | 10 | 1 | 26 |
Samples | 49 | 40 | 4 | 93 |
Total | ||||
Calves | 30 | 48 | 5 | 83 |
Samples | 109 | 204 | 21 | 334 |