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pp.161-166
This experiment was carried out to produce cloned aniraals by nuclear transplantation in rabbits. The ovulated oocytes were collected from the oviducts between 14 and 15 hours after hGG injection. The denuded oocytes were used as nuclear recipient cytoplasm following enucleation by micromanipulation. The blastomeres separated from the 8-cell embryos were used as nuclear donor. The nucleated oocytes receiving a blastomere in the perivitelline space were electrically fused in the 0.28 M mannitol solution at 1.5 kV /cm, 60sec for three times. The nuclear transplant embryos which were used and developed to 2- to 4-cell stage in vitro were transferred into the oviducts of synchronized recipient does. A total of 64 nuclear transplant embryos were transferred to 7 recipient does and produced three offspring(4.7%) from a foster mother 31 days after embryo transfer.
