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Groups did not vary in the average number of pups born, surviving, or average pup weight throughout intruder testing
| Treatment | Mean ± SEM number of pups born |
Mean ± SEM percentage litter survival |
Mean ± SEM pup weight (g) |
|---|---|---|---|
| Control | 6.8 ± 0.474 | 98.81 ± 1.19 | 3.422 ± 0.370 |
| Vicarious | 6.3 ± 0.760 | 100 ± 0.00 | 3.794 ± 0.481 |
| Stress | 6.5 ± 0.734 | 95.78 ± 2.82 | 3.409 ± 0.345 |
