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Table 1 Clinical scoring system

From: Bovine coronavirus in naturally and experimentally exposed calves; viral shedding and the potential for transmission

Score

Respiratory rate (breaths/min)

Fever

Cough

Nasal discharge

Demeanor

Fecal consistency

0

≤49

≤39,5

No cough observed

Normal

Bright, alert

Normal

1

50–54

39,6–39,9

Sporadic cough

Serous or mucous

Mildly depressed

Pasty

2

55–64

40–40,4

More than one sporadic cough every 10 min of observation

Mucopurulent or purulent

Moderately depressed

Runny

3

65–74

>40,5

Severely depressed

Watery

4

75–85

Runny or watery with blood

  1. The score from each category was added to give a daily clinical score for each of the calves in the experiment