Table 5.
Effect of Plasminogen (150 μg/mL), Added at Different Times, on IVF Parameters in Bovine and Porcine Species.a
| Group | N | Penetration (%) | Monospermy (%) | Sperm/oocyte | Sperm/ZP |
|---|---|---|---|---|---|
| Bovine oocytes | |||||
| Control | 134 | 95.5 ± 2.5 a | 67.1 ± 5.9 a | 1.4 ± 0.1 a | 2.5 ± 0.4 |
| 30′ pre-IVF | 123 | 42.2 ± 3.3 b | 90.2 ± 3.1 b | 1.1 ± 0.1 b | 2.6 ± 0.3 |
| 0′-IVF | 130 | 33.7 ± 3.1 b | 92.0 ± 3.1 b | 1.0 ± 0.1 b | 2.7 ± 0.3 |
| Porcine oocytes | |||||
| Control | 160 | 95.6 ± 1.6 a | 18.9 ± 3.1 a | 3.8±0.2 a | 22.5 ± 1.8 a |
| 30′ pre-IVF | 197 | 61.4 ± 3.4 b | 33.8 ± 4.3 b | 2.3±0.1 b | 16.4 ± 1.1 b |
| 0′-IVF | 184 | 59.7 ± 3.6 b | 41.8 ± 4.7 b | 2.2±0.1 b | 12.0 ± 1.1 b |
Abbreviations: IVF, in vitro fertilization; ZP, zona pellucida.
a Data are mean ± standard error of the mean, and were analyzed by analysis of variance. Different letters in the same column for the same species denote significant differences (P < .05).