Table 4. Mouse cages
| Mouse | Comments | Cage # |
| C57BL/6J | Blastocyst supply | 40-45 |
| ICR | Foster mother for embryo transfer | 30-35 |
| Chimera | Pups of injected embryos | 5-10 |
| Cre transgenic mice | Liver-specific or ubiquitious expression of Cre | 10 |
| FLP transgenic mice | Liver-specific or ubiquitious expression of FLP | 10 |
| Hurp transgenic mice | Liver-specific expression of Hurp | 30 |
| Flip transgenic mice | Liver-specific expression of Flip | 30 |
| Total | ¡@ | 155-170 |