Table 2.
Effect (Mean±SEM) of Interspecies Mitochondrial Transfer on Postfertilization In Vitro Development of Pig Oocytes
| Quality of oocyte | Source of mitochondria | No. of oocytes | No. (%) of embryo cleaved | No. (%) of blastocyst |
|---|---|---|---|---|
| Good | Control | 250 | 190 (76.0±1.2)a | 77 (40.5±2.3)a |
| Pig | 232 | 183 (78.9±2.3)a | 80 (43.7±0.8)a | |
| Cattle | 246 | 185 (75.2±1.7)a | 68 (36.6±2.0)a | |
| Poor | Control | 164 | 164 (67.5±1.5)b | 40 (24.4±1.7)b |
| Pig | 188 | 188 (74.0±1.8)a | 71 (37.8±1.3)a | |
| Cattle | 154 | 154 (64.2±1.0)b | 43 (27.9±2.5)b |
Each oocyte was then injected with approximately 5 pL of mitochondria that was equivalent to mitochondria from approximately five granulosa cells.
Values with different superscripts (a, b) within a column denote a statistical difference (p<0.05).
SEM, standard error of the mean.