Background | Mean number of plugs ± SEM | Mean number of 2-cells embryos ± SEM |
C57BL/6J | 5.070 ± 0.2350 | 9.3 ± 0.7463 |
B6*129 | 5.3870 ± 0.3953 | 9.078 ± 1.731 |
FVB/NJ | 4.778 ± 0.8625 | 6.377 ± 1.666 |