Table 1.

List of stress factors and the duration of the stimulus.

Days		CUMS
	Stress Factor	Duration of the Stimulus
1	Tilt the cage (45°)	4 h
2	Wet litter	24 h
3	Light at night	12 h
4	Restraint	2 h
5	Electric buzzer 90 dB	5 min
6	Water deprivation	24 h
7	Food deprivation	24 h