Table 1.
Group allocation and age of experimental animals undergoing the behavioral test battery. SP saccharin preference, NEST nest building performance, VWR voluntary wheel running, BUR burrowing, OF open field, IRW Irwin score, FCM fecal corticosterone metabolites, BW body weight.
| Group | Represented age phase | n female/male |
Behavioral tests (observation period) | Age range in days |
|---|---|---|---|---|
| P25 | Prepubescence | 20/20 | SP, NEST, VWR (P25-P29) | ± 0 |
| BUR (P29 and P30) | ||||
| OF, IRW, FCM (P31) | ||||
| BW (P25 and P31) | ||||
| P36 | Pubescence | 20/20 | SP, NEST, VWR (P36-P40) | − 1 |
| BUR (P40 and P41) | ||||
| OF, IRW, FCM (P42) | ||||
| BW (P36 and P42) | ||||
| P50 | Sexual maturity | 20/20 | SP, NEST, VWR (P50-P54) | ± 0 |
| BUR (P54 and P55) | ||||
| OF, IRW, FCM (P56) | ||||
| BW (P50 and P56) | ||||
| P65 | Young adulthood | 20/20 | SP, NEST, VWR (P65-P69) | ± 0 |
| BUR (P69 and P70) | ||||
| OF, IRW, FCM (P71) | ||||
| BW (P65 and P71) | ||||
| P120 | Mature adulthood | 20/20 | SP, NEST, VWR (P120-P124) | − 3 |
| BUR (P124 and P125) | ||||
| OF, IRW, FCM (P126) | ||||
| BW (P120 and P126) |