Table 1.

Evaluation of mouse dehydration by appearance and attitude [16].

Appearance Score		Attitude Score
5	Normal; skin tent and posture appear normal	5	Normal; exhibits activity in the cage prior to and during handling
4	Noticeable skin tent on the dorsum	4	Reduced activity, yet alert and responsive to handling
3	Hunched posture with piloerection and moderate skin tent	3	Lethargic, diminished resistance to handling
2	Eyes appear sunken, with severe piloerection and pronounced skin tent	2	Unresponsive; only moves when physically touched
1	Unable to right itself	1	Fails to flee when a hand is presented in the cage