Successful transfer of day 10 horse embryos: influence of donor-recipient asynchrony on embryo development.

@article{Wilsher2010SuccessfulTO,
  title={Successful transfer of day 10 horse embryos: influence of donor-recipient asynchrony on embryo development.},
  author={S Wilsher and Amber Clutton-Brock and William R. Allen},
  journal={Reproduction},
  year={2010},
  volume={139 3},
  pages={575-85}
}
A total of 78 day 10 horse embryos were transferred non-surgically to recipient mares that had ovulated 9, 7, 6, 5, 4, 3, 2 or 1 day after (negative asynchrony), on the same day (synchronous), or 2 or 4 days before (positive asynchrony) the donor (n=6 or 8 mares per group). Pregnancy rates between 100% (6/6) and 63% (5/8) were seen in recipient mares that were between +2 and -6 days asynchronous. Embryo survival to the heartbeat stage declined in recipients that were -7 days asynchronous and no… CONTINUE READING

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