Table 2.
Postimplantation development of homotype and heterotype somatic nuclear transfer bovine embryos.
| SCNT type | Homotype (Oocytes-Donor) | Heterotype (Oocytes-Donor) | ||
|---|---|---|---|---|
| A-A | B-B | A-B | B-A | |
| No. of transferred blastocysts | 35 | 68 | 31 | 39 |
| No. of recipients | 21 | 43 | 17 | 26 |
| Pregnancy at day 20 (%) | 14/21 (66.7)a | 26/43 (60.5)b | 10/17 (58.8)c | 14/26 (53.8)d |
| Pregnancy at day 60 (%) | 10/21 (47.6)a | 21/43 (48.8)a | 7/17 (41.2)b | 9/26 (34.6)c |
| Pregnancy at day 90 (%) | 9/21 (42.9)a | 18/43 (41.9)a | 4/17 (23.5)b | 6/26 (23.1)b |
| Term births (dead) | 3/21 | 5/43 | 0/17 | 2/26 |
| Term births (live) | 4/21 (19.0)a | 7/43 (16.3)b | 2/17 (11.8)c | 2/26 (7.7)d |
| 11/64 (17.2)a | 4/43 (9.3)b | |||
a, b, c, d values within same horizontal columns with different superscripts differ significantly (P < .05 by t test).