SUCCESSFUL TRANSFER OF A FERTILIZED BOVINE EGG BY NON-SURGICAL TECHNIQUES

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Abstract
Two fertilized eggs, recovered from 2 gonadotropin-treated Holstein heifers 4 and 6 days after ovulation, were transferred to the uteri of 2 synchronized recipient heifers by means of non-surgical techniques. A specially designed apparatus was used for the transfer. Both recipients became pregnant and 1 gave birth to a normal bull calf after 268 days. It was established by blood-typing that the calf had developed from a transferred embryo. The other recipient aborted on the 80th day of pregnancy.
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