| Continuous mating results | Superovulation results | ||||
---|---|---|---|---|---|---|
Genotype | n | Litters/female | Pups/litter | n | Mean | Range |
Wild type | 6 | 2.8 ± 0.4 | 8.8 ± 2.5 | 10 | 33.7 ± 4.8 | 9-57 |
Heterozygous | ND | ND | ND | 11 | 52.5 ± 5.7* | 20-77 |
βERKO | 11 | 1.7 ± 1.0* | 3.1 ± 1.8** | 11 | 6.0 ± 1.5* | 0-13 |