Table 2.

Welfare assessment score sheet adapted from Hampshire et al. [52].

General appearance	Reference score
Bright and alert	0
Burrowing or hiding, quiet but rousing when touched	0.1
Burrowing or hiding, quiet but rousing when touched. No exploration when lid off, burrows, hides, head presses. Might be aggressive when touched	0.4
Porphyrin staining
None	0
Mild	0.1
Obvious on face or paws	0.4
Gait and posture
Normal	0
Mild incoordination when stimulated, hunched posture, mild piloerection	0.1
Obvious ataxia or head tilt, hunching, severe piloerection	0.4
Body weight
Up to 5% weight loss	0
5–10% weight loss	0.1
10–20% weight loss	0.4
Wounds
Bites or scratches itself, leading to wounds	0.4