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P&E and Foaling

Equine-Reproduction.com Bulletin Board » Hormonal Manipulation » P&E and Foaling « Previous Next »


Author Message
 

Amanda Mitchell
Weanling
Username: Mckulley1

Post Number: 29
Registered: 05-2007
Posted on Wednesday, April 21, 2010 - 12:35 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

It's been about two years since I've looked into using P&E starting on the day of foaling, to lengthen the time between foaling and foal heat. Is it still an acceptable practice or is there new information out there that is frowning on it?
 

Jos
Board Administrator
Username: Admin

Post Number: 2814
Registered: 10-1999
Posted on Thursday, April 22, 2010 - 12:36 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

One can use it, but remember that progestagens do have the tendency to close down the cervix, which may not be desirable post-foaling. We have certainly used it with success, but we have also used estrogen alone on about day 7 or 8 post foaling (estradiol cypionate is the typical choice) to delay an ovulation past 10 days. So - if you have a mare that is notorious for post-foaling ovulations within 7 or 8 days after foaling, P&E might be best, but if your mare usually ovulated day 9-12 ECP could help.



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