Table 1.
Genetic background | 129SvJ | C57BL/6 | ||||
---|---|---|---|---|---|---|
Genotype | +/+ | +/− | −/− | +/+ | +/− | −/− |
Number of animals | 10 | 10 | 11 | 10 | 10 | 11 |
Pregnancies/mated females | 28/40 | 32/40 | 0/44 | 35/40 | 34/40 | 13/44 |
Average number of progeny/pregnancy | 10.3 | 11.1 | 0 | 11.2 | 11.3 | 6.0 |