Table 3.
Relationship between antibody status to bovine coronavirus (BCV) and bovine respiratory syncytial virus (BRSV), in pooled milk samples from five primiparous cows (pool), and corresponding antibody status in bulk tank milk (BTM) samples, expressed as number of samples. Cut-off set at percentage positivity of <20 for pooled and <5 for BTM, samples, respectively.
| Positive BTM | Negative BTM | Total | |
|---|---|---|---|
| BCV | |||
| positive pool | 323 | 0 | 323 |
| negative pool | 92 | 17 | 109 |
| BRSV | |||
| positive pool | 287 | 0 | 287 |
| negative pool | 116 | 30 | 146 |