Table 1.

Clinical sign scoring criteria

Clinical signs	Score
	0	1	2	3
Ruffled fur	Normal	Mild; ruffled fur <30% of the body	Moderate; ruffled fur <60% of the body	Severe; ruffled fur >60% of the body
Movement	Normal	Mild; reduced movement and activity <30%	Moderate; reduced movement and activity <60%	Severe; reduced movement and activity >60%
Eye condition	Normal	Mild; eye closed and discharge <30%	Moderate; eye closed and discharge <60%	Severe; eye closed and discharge >60%
Responsiveness	Normal	Mild; reduced responsiveness <30%	Moderate; reduced responsiveness <60%	Severe; reduced responsiveness >60%