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Occurrence of bovine corona virus (BCV) in tracheobronchial lavage samples (TBL)and faecal samples in herds with and without serological changes
| Serological status | Occurrence of BCV |
No. of herds | |
|---|---|---|---|
| TBL | Faeces | ||
| No seroconversion | − | − | 17 |
| − | + | 4 | |
| + | − | 1 | |
| + | + | 0 | |
| Seroconversion | − | − | 8 |
| − | + | 1 | |
| + | − | 1 | |
| + | + | 8 | |
