Table 1 Schedule of stressors applied during the 56-day CUS protocol.
Day1 | Day 2 | Day 3 | Day 4 | Day 5 | Day 6 | Day 7 | |
|---|---|---|---|---|---|---|---|
Week 1 | Food and water deprivation (12 h) | Wet bedding (12 h) | Foot shock (0.6 mA for 1 s) | Physical restraint (10 min) | Cold swim (12 °C, 5 min) | Cage tilt (tilted at 45֯ angle for 1 h) | Tail pinch (1 min) |
Week 2 | Physical restraint (10 min) | Food and water deprivation (12 h) | Wet bedding (12 h) | Foot shock (0.6 mA for 1 s) | Tail pinch (1 min) | Cold swim (12 °C, 5 min) | Cage tilt (tilted at 45֯ angle for 1 h) |
Week 3 | Tail pinch (1 min) | Cage tilt (tilted at 45֯ angle for 1 h) | Food and water deprivation (12 h) | Wet bedding (12 h) | Foot shock (0.6 mA for 1 s) | Physical restraint (10 min) | Cold swim (12 °C, 5 min) |
Week 4 | Cold swim (12 °C, 5 min) | Tail pinch (1 min) | Cage tilt (tilted at 45֯ angle for 1 h) | Food and water deprivation (12 h) | Wet bedding (12 h) | Foot shock (0.6 mA for 1 s) | Physical restraint (10 min) |
Week 5 | Physical restraint (10 min) | Cold swim (12 °C, 5 min) | Tail pinch (1 min) | Cage tilt (tilted at 45֯ angle for 1 h) | Food and water deprivation (12 h) | Wet bedding (12 h) | Foot shock (0.6 mA for 1 s) |
Week 6 | Foot shock (0.6 mA for 1 s) | Physical restraint (10 min) | Cold swim (12 °C, 5 min) | Tail pinch (1 min) | Cage tilt (tilted at 45֯ angle for 1 h) | Food and water deprivation (12 h) | Wet bedding (12 h) |
Week 7 | Wet bedding (12 h) | Tail pinch (1 min) | Physical restraint (10 min) | Cold swim (12 °C, 5 min) | Foot shock (0.6 mA for 1 s) | Cage tilt (tilted at 45֯ angle for 1 h) | Food and water deprivation (12 h) |
Week 8 | Cold swim (12 °C, 5 min) | Food and water deprivation (12 h) | Tail pinch (1 min) | Cage Tilt (tilted at 45֯ angle for 1 h) | Wet bedding (12 h) | Foot shock (0.6 mA for 1 s) | Physical restraint (10 min) |