Table 2 Development of embryos to offspring after transfer to oviducts of females with pseudopregnancy induced by artificial stimulation with a sonic vibration.
From: Simple induction of pseudopregnancy by artificial stimulation using a sonic vibration in rats
Pseudopregnant | Status of embryos | No. of females | No. of embryos transferred | No. (%) of embryos implanted | No. (%) of offspring |
|---|---|---|---|---|---|
With vasectomised males | Fresh, 2-cell | 4 | 80 | 58 (73)a | 53 (66)c |
Frozen, 2-cell | 3 | 66 | 37 (56) | 21 (32)d | |
Artificial stimulation | Fresh, 2-cell | 4 | 80 | 45 (56)b | 40 (50)c |
Frozen, 2-cell | 3 | 55 | 25 (46)b | 13(24)d | |
Fresh, pronuclear | 4 | 80 | 53 (66)a | 48 (60)c |