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Table 3 System of categorisation of clinical scores in Mhyop+Pm dual-challenge study

From: Evaluation of the clinical efficacy of a water soluble formulation of tylvalosin in the control of enzootic pneumonia associated with Mycoplasma hyopneumoniae and Pasteurella multocida in pigs

Parameter Score
0 1 2 3
Rectal temperature 37.5 °C – 39.5 °C 39.5 °C – 40.0 °C > 40.0 °C – 40.9 °C ≥ 41.0 °C or < 37.5 °C
Demeanour Normal Mild Depression
(reduced activity, reduced alertness)
Moderate Depression
(reluctance to rise, reduced appetite)
Severe Depression
(recumbence, moribund)
Nasal discharge Absent Serous Seromucoid Mucoid
Coughing Absent 1–2 dry cough > 2 dry cough or 1–2
productive coughs
> 2 productive coughs
Respiration Normal Mild
(Slightly increased
rate or effort)
(More pronounced increased rate and effort)
(Respiratory distress, open mouth breathing)