Table 1. Reproductive Demographics of Heterozygous and Homozygous Sgta-deficient Breeding Pairs.
| Breeder Statistics | Sgta−/− x Sgta−/− | Sgta+/− x Sgta+/− | Intact Comparator |
|---|---|---|---|
| Number of Breeding Pairs | 6 | 15 | 6 |
| Number of Litters | 18 | 40 | 13 |
| Average Litter Size (±SEM) | 6.11 ( ± 0.58)†‡ | 7.33 ( ± 0.41) | 7.54 ( ± 0.70) |
| Average Days to Litter (±SEM) | 30.14 ( ± 3.54) | 27.56 ( ± 2.18) | 25.83 ( ± 2.75) |
| Offspring Statistics | Sgta−/− x Sgta−/− | Sgta+/− x Sgta+/− | Intact Comparator |
| Total Pups Born | 110 | 293 | 98 |
| Live Pups Born | 104 (94.55%) | 288 (98.29%) | 96 (97.96%) |
| Stillborn Pups | 6 (5.45%) | 5 (1.71%) | 2 (2.04%) |
| Neonatal Deaths | 32 (30.77%)*# | 39 (11.46%) | 9 (9.38%) |
| Pups Weaned | 72 (69.23%)*# | 249 (86.46%) | 87 (90.63%) |
| Male Pups Weaned | 34 (47.22%) | 132 (53.01%) | 50 (57.47%) |
| Female Pups Weaned | 38 (52.78%) | 117 (46.99%) | 37 (42.53%) |
Statistics: #P ≤ 0.05, trend †P < 0.10, vs intact; *P ≤ 0.01, trend ‡P < 0.06, vs Sgta+/−.