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The
donor mare is bred as usual and 8 days after ovulation, the embryo is flushed
from the donor mare and inserted in the recipient mare that is cycling closest
to the donor mare. Ovulation is checked accurately with ultrasound and pregnancy can be determined by ultrasound at 14-16 days after breeding to the donor mare, or 6-8 days after inserting the embryo in the receipient mare. |