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the embryo, he added, noting that a 7-day-old embryo is barely a millimeter in diameter — about the size of a flea, and hardly visible to the naked eye.
Peering into his microscope, Dr. Dippert identified his subject: a single tiny, precious embryo.
Dippert and his team went to work to transfer the miniature but rapidly growing foal into a recipient mare, carefully chosen from Dippert’s herd of about 45.
This mare was selected and monitored to stay on the same cycle as Tammy so her body was ready to sup
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