Table 2 Summary of the lung scoring systems for the evaluation of pleurisy lesions at batch level

Gold standard

Detailed description in section “Lung lesion scoring at slaughter”

Yes

Yes

Yes

Scenario 1

Presence or absence of CP or DC

Both CP and DC were scored as present (1) or absent (0) for each pair of lungs

Yes

Yes

Yes

Scenario 2

Presence or absence of pleurisy (both CP or DC)

Pleurisy was scored as present (1) or absent (0) for each pair of lungs, independent of the lung region affected

No

No

Yes

Scenario 3

Presence or absence of CP and moderate and severe DC

CP was scored as present (1) or absent (0). Only moderate (SPES^c score 3) and severe (SPES score 4) were considered

Yes

Yes

Yes

Scenario 4

Retained lungs in carcass

Pleurisy was scored as present (1) or absent (0) when a pair of lungs (or part of them) was retained in the carcass due to pleural adhesions to the thoracic wall

No

No

Yes