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In vivo development of NT embryos derived from pig iPSCs and RTL1 overexpressed iPSCs
| Donor cells | No. of transferred embryos | No. of recipients | No. of pregnancies GD25, GD90 | No. of live cloned piglets |
| iPSCs | 3,564 | 15 | 3, 1 | 0 |
| RTL1- iPSCs | 2,316 | 10 | 9, 6* | 16 |
| Fibroblasts | 5,307 | 20 | 15, 14 | 69 |
Note: Two of the nine pregnant surrogates were used at 25 d of gestation to detect the early development.
