NH | MS0 | MS15 | MS180 | |
---|---|---|---|---|
Weaning | ||||
Body weights (g) | ||||
Dam weight | 313.9 ± 5.2 | 314.5 ± 8.8 | 312.4 ± 7.5 | 320.6 ± 10.3 |
Average pup weight | 41.3 ± 1.0 | 42.9 ± 1.1 | 41.4 ± 1.4 | 46.9 ± 2.3 |
Litter size | 11.9 ± 0.7 | 11.9 ± 0.5 | 12.2 ± 0.3 | 11.4 ± 0.7 |
Dam self-administration | ||||
Body weights (g) | ||||
1st Day | 285.0 ± 6.5 | 291.4 ± 8.8 | 290.0 ± 7.6 | 298.6 ± 7.4 |
Last day | 291.1 ± 5.2 | 303.1 ± 9.6 | 302.3 ± 4.5 | 309.9 ± 7.5 |
MS, handled, and nonhandled adults self-administration | ||||
Body weights (g) | ||||
Food training | 410.6 ± 7.5 | 428.7 ± 7.5 | 429.5 ± 11.8 | 444.0 ± 5.4 |
1st Day | 403.8 ± 5.4 | 421.3 ± 7.7 | 412.8 ± 6.8 | 434.3 ± 6.5* |
Last day | 510.5 ± 10.4 | 533.2 ± 9.9 | 530.5 ± 16.1 | 555.8 ± 13.4 |
Days until food criteria are met | 6.0 ± 0.8 | 6.7 ± 0.6 | 8.3 ± 0.8 | 5.6 ± 0.7 |
↵* p < 0.05 vs. NH.