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| Exp. group | Time of in vitro aging | No. of oocytes treated | No. (%) of pronuclear oocytes |
|||
|---|---|---|---|---|---|---|
| Dead | Activated |
Without a PN | ||||
| 2 PN | 1 PN | |||||
| Fresh | 0 h | 114 | 6 (5.3) b | 0 (0.0) | 101 (88.6) | 7 (6.1) |
| Aged | 6 h | 97 | 5 (5.2) b | 2 (2.0) | 83 (85.6) | 7 (7.2) |
| 12 h | 117 | 27 (23.1) a | 0 (0.0) | 82 (70.1) | 8 (6.8) | |
Values with different superscripts in the same column are significantly different (P < 0.05).
