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Post-ovulation breeding

Equine-Reproduction.com Bulletin Board » Breeding Methods » Post-ovulation breeding « Previous Next »


Author Message
 

Rachel
Neonate
Username: Rachel

Post Number: 1
Registered: 06-2005
Posted on Thursday, June 02, 2005 - 12:31 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I have a 13-year-old mare who's had several foals, but was left open last year. Our first attempt at getting her in foal this year was not successful. The vet came out yesterday afternoon to u/s her, and she was at a 55 (cycled faster than last time.) We bred her today, but missed the ovulation by anywhere from 12-24 hours. What are the chances of a pregnancy?
Thanks,
Rachel
 

Jos
Board Administrator
Username: Jos

Post Number: 10119
Registered: 10-1999
Posted on Thursday, June 02, 2005 - 09:19 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

The chances of establishing pregnancy, or experiencing early embryonic death increase significantly from about 12 hours post-ovulation, so you will need some luck to go with the semen.
 

Rachel
Neonate
Username: Rachel

Post Number: 2
Registered: 06-2005
Posted on Thursday, June 02, 2005 - 02:45 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thanks, Jos!
My vet told me there was still a 50% chance even 24 hours post ovulation, but I think she was feeling guilty she missed the ideal window.
Any benefit to putting the mare on Regumate (is it 4 days after breeding?), to discourage early embryonic death?
 

Jos
Board Administrator
Username: Jos

Post Number: 10125
Registered: 10-1999
Posted on Thursday, June 02, 2005 - 09:43 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

To discourage EED? Probably not. To help you sleep more peacefully at nights? Perhaps! :-)

The cause of the EED is the already disintegrating oocyte at the time of fertilization, and the Regumate isn't going to fix that... :-(
 

Anne (Unregistered Guest)
Unregistered guest
Posted From: 64.230.16.217
Posted on Friday, June 24, 2005 - 02:32 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Rachel, did your mare catch?



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