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The number of calves that were recorded as having their clinical scores either improve, remain the same or become worse over a two-week period, along with the range of scores for the two time periods
| Clinical calf score | Declined | Remained the same | Improved | Range at first score | Range at second score |
| Cough | 12 | 52 | 10 | 0–2 | 0–2 |
| Nasal discharge | 10 | 63 | 1 | 0–1 | 0–1 |
| Mental demeanour | 5 | 47 | 22 | 0–3 | 0–2 |
| Ocular discharge | 10 | 60 | 4 | 0–1 | 0–2 |
