Table 2.
Maternal defense | WT (n=10) | CRF2 KO (n=10) | Two Way | RM ANOVA | |||
---|---|---|---|---|---|---|---|
Unrestrained | Restrained | Unrestrained | Restrained | Genotype p value | Restraint p value | Interaction p value | |
Latency to first attack | 68.8±16.4 | 91.4±16.4 | 119.7±15.0 | 128.9±15.0 | 0.292 | 0.066 | 0.911 |
# attacks | 15.8±1.1 | 13.7±1.1 | 6.1±1.0 | 5.0±1.0 | 0.021 | 0.069 | 0.054 |
Total time aggressive | 19.7±2.6 | 19.8±2.6 | 14.9±2.4 | 9.1±2.4 | 0.262 | 0.128 | 0.390 |
Time to first pup | 31.7±6.4 | 37.3±6.3 | 16.1±5.8 | 11.4±5.8 | 0.050 | 0.944 | 0.408 |
Time to fourth pup | 76.9±6.6 | 83.7±6.6 | 55.3±6.0 | 53.8±6.0 | 0.077 | 0.676 | 0.508 |
Time to all pups | 842.5±132.4 | 1051.8±132.4 | 480.2±120.9 | 446.2±120.9 | 0.039 | 0.494 | 0.345 |
Mean (±SEM) time(s) of maternal defense behavior and pup retrieval performed by lactating CRF2 KO and WT dams exposed to mild restraint stress or no restraint. P-values less than 0.05 are shown in bold