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Table 4 BRD-scoring parameters for calves

From: Field trial to evaluate the effect of an intranasal respiratory vaccine protocol on bovine respiratory disease incidence and growth in a commercial calf rearing unit

Clinical signLevelScore
CoughNone or induced cough0
Spontaneous cough2
Nasal dischargeNone0
Any4
Ocular dischargeNone0
Any2
Ear positionNormal, ear flick or head shake0
Ear droop or head tilt5
Rectal temperature ( ̊C)<  39.20
≥ 39.22
Abnormal respirationaAbsent0
 Present2
  1. aAuscultation was performed by using a stethoscope
  2. Calves were categorized as BRD positive if their total score was ≥5 (modified Love et al. 2014)
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