Laparoscopic embryo transfer in rabbits.
A technique for endoscopic transfer of one-cell, one-two-cell, two-cell or morula stage embryos to the Fallopian tubes of rabbits was developed in two phases. Phase I of the experiments involved the transfer of 30-65 embryos to each of nine recipients and resulted in pregnancies in all animals. After 12 days six rabbits were killed and they showed an implantation rate of 27%. The remaining three rabbits continued pregnancy until birth. The embryo survival rate was 26%. In a second phase, 10-20 embryos were transferred to each of the 22 recipient animals, 19 of which went on to give birth (embryo survival rate in the animals that became pregnant was 47%).
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Department of Molecular Animal Breeding, Ludwig-Maximilian-University, München, Germany.
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D000818:Animals; D010064:Embryo Implantation; D004624:Embryo Transfer / Q000295:instrumentation / Q000379:methods*; D005187:Fallopian Tubes / Q000033:anatomy & histology; D005260:Female; D005328:Fetal Viability; D020706:Laparoscopes; D010535:Laparoscopy / Q000379:methods*; D011247:Pregnancy; D011817:Rabbits / Q000196:embryology*