Table 1 Fertilisation rate of oocytes inseminated using fresh or frozen rat sperm.
From: Establishment of sperm cryopreservation and in vitro fertilisation protocols for rats
Sperm | No. | No. ofinseminated oocytes | No. offertilised oocytes | Fertilisation rate (%) |
|---|---|---|---|---|
Fresh | 1 | 198 | 185 | 93.4 |
2 | 183 | 170 | 92.9 | |
3 | 195 | 181 | 92.8 | |
4 | 182 | 174 | 95.6 | |
Total | 758 | 710 | 93.7 ± 1.3 | |
Frozen | 1 | 161 | 135 | 83.9 |
2 | 191 | 160 | 83.8 | |
3 | 201 | 161 | 80.1 | |
4 | 196 | 159 | 81.1 | |
Total | 749 | 615 | 82.1 ± 1.9* |