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Breeding on foal

Equine-Reproduction.com Bulletin Board » Breeding Problem Mares - Volume 2 » Breeding on foal « Previous Next »


Author Message
 

Joy Meyer
Neonate
Username: Jjqh

Post Number: 5
Registered: 01-2008
Posted on Saturday, May 17, 2008 - 03:53 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

So here is my situation:

We wanted to breed a mare on foal heat. This is a 2001 AQHA mare with 1 previous foal plus this year's foal. I am not sure of any "issues" last year. She was at the vet for last year's breeding; she did not have a foal last year. Bred by AI and took on the first try. She was not there for very long, so I don't think that there were too many problems. She foaled easily on 4/29. Checked on 5/9, largest follicle 26mm. Checked on 5/12, largest follicle 25mm. Checked on 5/16, largest follicle 24mm. Uterine tone is good.

What's the deal? Why aren't we getting any bigger follicles? Suggestions? Ideas?

The vet is going to check her again on 5/18.

Thanks!
 

Jos
Board Administrator
Username: Admin

Post Number: 1931
Registered: 10-1999
Posted on Saturday, May 17, 2008 - 10:38 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Are you sure she hadn't already ovulated when you had her evaluated on 5/9? The average range of post-foaling ovulation is 5-15 days, so by 5/9 she would have already been 10 days post foaling. She may then be developing a new follicular wave, or she may be going into lactational anestrus.

Check progesterone levels, or u/s carefully looking for a CL.

You might want to check out the article on "foalheat breeding" for future reference.
 

Regena B-It's a BOY
Weanling
Username: Callawayssuzy

Post Number: 23
Registered: 04-2008
Posted on Sunday, May 18, 2008 - 12:20 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I agree...


My mare foaled on 4/30-- by 5/8, she had a follicle size of 44mm, so we bred her that day. She ovulated the following day.
 

Joy Meyer
Neonate
Username: Jjqh

Post Number: 6
Registered: 01-2008
Posted on Monday, May 19, 2008 - 05:42 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Yes, it is possible that she had already ovulated, but I am relying on the vet to be able to tell me that.

The vet does not like to breed them before 9 days post-foaling.

I guess I am wondering why the vet isn't suggesting these things? Shouldn't he have these ideas for us? :-)

I just wondered if we couldn't be doing something to move things along rather than ultrasounding the mare every few days with no progression towards actually getting her bred. :-)

(Message edited by jjqh on May 19, 2008)



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