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Cattle Boards
Breeding / Calving Issues
IMPORTANCE OF PLACEMENT OF EMBRYOS IN THE UTERINE HORN
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<blockquote data-quote="ETschool" data-source="post: 1284799" data-attributes="member: 20428"><p>I am not aware of data referring to differences in heifer and cow embryo placements,however it could be true as the heifer uterus is much smaller so the embryo trophoblast cells excreting interferon ( which stops the production of prostaglandin ) has a relatively larger field of response compared to the cow,s uterus. Another factor to consider is the much lower tone in the heifer uterus which enables the operator to place the embryo higher in the horn. An interesting question !</p></blockquote><p></p>
[QUOTE="ETschool, post: 1284799, member: 20428"] I am not aware of data referring to differences in heifer and cow embryo placements,however it could be true as the heifer uterus is much smaller so the embryo trophoblast cells excreting interferon ( which stops the production of prostaglandin ) has a relatively larger field of response compared to the cow,s uterus. Another factor to consider is the much lower tone in the heifer uterus which enables the operator to place the embryo higher in the horn. An interesting question ! [/QUOTE]
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Cattle Boards
Breeding / Calving Issues
IMPORTANCE OF PLACEMENT OF EMBRYOS IN THE UTERINE HORN
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