Table 1 Collection schedule of the pre-implantation embryos at different developmental stages
| Â | Oocyte | 1-cell | 2-cell | 4-cell | 8-cell | Morula | ICM | TE |
|---|---|---|---|---|---|---|---|---|
Mouse embryos* | 14 h | 24–26 h | 36 h | 48 h | 60 h | 72 h | 96 h | 96 h |
Pig in vivo embryos** | 24 h after estrus | 24 h | 40–45 h | 65–72 h | 84–90 h | 108–115 h | 156–160 h | 156–160 h |
Pig SCNT embryos*** | In vitro matured | 24 h | 40 h | 65–72 h | 84–90 h | 108–115 h | 156–160 h | 156–160 h |