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Will she hang on that long or am I wasting everyone's time??

Equine-Reproduction.com Bulletin Board » General Mare Questions - Volume 2 » Will she hang on that long or am I wasting everyone's time?? « Previous Next »


Author Message
 

Allison
Breeding Stock
Username: Jumbletwist

Post Number: 247
Registered: 02-2010
Posted on Monday, May 03, 2010 - 03:13 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

My mare is at a 49 at 3PM today (May 3), no bookings open until Wednesday.. very busy stallion. Should I book her anyways or is there no way she will hold off that long to ovulate?? Thanks in advance for the advice!
 

Allison
Breeding Stock
Username: Jumbletwist

Post Number: 249
Registered: 02-2010
Posted on Tuesday, May 04, 2010 - 11:54 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Okay, they let me book a 6 PM for today... she is still teasing this morning, what are the chances she would go out of heat on me in the next 6 hours? Thanks!
 

Paige D
Yearling
Username: Realrush89

Post Number: 63
Registered: 12-2009
Posted on Tuesday, May 04, 2010 - 01:09 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I had my mare bred via AI, and her follicle was huge the day before the semen was to arrive. The vet said that even if she ovulated the next morning before insemination, you usually have an hour or two window to catch the follicle before it passes too far through the cycle. Hope this helps with your stress... I'll keep my fingers crossed for you!
 

Jos
Board Administrator
Username: Admin

Post Number: 2831
Registered: 10-1999
Posted on Tuesday, May 04, 2010 - 04:17 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

There is a marked increase in early embryonic death and a decrease in pregnancy establishment in mares that are bred >12 hours post-ovulation. A less-pronounced effect can be seen in mares bred >6 <12 hours post-ovulation.
 

Allison
Breeding Stock
Username: Jumbletwist

Post Number: 250
Registered: 02-2010
Posted on Tuesday, May 04, 2010 - 09:03 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I didn't get this in time and I went ahead and bred her. It had been 26 1/2 hrs. since she measured a 49 until she actually bred. She stepped off the trailer breaking down and could hardly get into the breeding shed she was so hot. I know mares can still tease after ovulation, but she couldn't have looked anymore ready if that's all you had to go by. Hope it works out... does this mean if her embryo dies early that she will take forever to cycle normally again? Like mares do when they absorb? (Which I may be answering my own question here, obviously she would be absorbing if an embryo dies no matter how early on... looking for hope, ugh!)
 

Jos
Board Administrator
Username: Admin

Post Number: 2832
Registered: 10-1999
Posted on Tuesday, May 04, 2010 - 10:46 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Mares don't "absorb" pregnancies. All particulate matter of pregnancies are lost through the cervix, but may be so small as to not be identified.

An EED may delay the return to estrus by a few days, depending upon when exactly the pregnancy is lost. Typically however there is not a huge delay. In rare cases though - especially if the loss occurs towards the end of the EE period (>28 <35 days) there may be a significant delay. This is as a result of the formation of the endometrial cups and secretion of eCG.
 

Allison
Breeding Stock
Username: Jumbletwist

Post Number: 252
Registered: 02-2010
Posted on Wednesday, May 05, 2010 - 11:15 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Okay, thank you very much for informing me about EED. I was misinformed until now. "Absorbed" is a common misconception in these parts (Ocala). The term kind of lumped all of these possibilities into one word and now I have a better understanding of several different possible scenarios. I'll just have to wait and see! Many thanks to you Jos, you run a great board here! Glad to have found it!



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