Table 2 The number and percentage of positive clinical samples using bacterial culture (BC)
Samples | Apparently healthy calves | Pneumonic calves | Total | p-value | |||
|---|---|---|---|---|---|---|---|
Samples, N | Positive samples, N (%) | Samples, N | Positive samples, N (%) | Samples, N | Positive samples, N (%) | ||
Nasal swabs | 50 | 19 (36) | 150 | 105 (70) | 200 | 124 (62) | |
Blood samples | 5 | 0 | 16 | 1 (6.3) | 21 | 1 (4.76) | < 0.00001* |
Lung tissues (dead) | _ | _ | 4 | 3 (75) | 4 | 3 (75) | |
Total | 55 | 19 (34.5) | 170 | 109 (64.1) | 225 | 128 (57) | |