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Mare after having 1 foals no longer shows heat?

Equine-Reproduction.com Bulletin Board » Breeding Problem Mares - Volume 1 » Mare after having 1 foals no longer shows heat? « Previous Next »


Author Message
 

Christi
Neonate
Username: Northwindpratt

Post Number: 5
Registered: 05-2006
Posted on Friday, May 26, 2006 - 03:15 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Last year we bred a APHA maiden mare at was 16. She showed obvious signs of heat (had her from the past August and she cycled through Nov. and started in March again) and we observed several heat periods before we bred her. She conceived after the first heat cycle of breeding and carried to term (360 days). There were no complications with parturition and she did a wonderful job raising her colt who was a little weak when born, but within a few days looked great. After that, she hasn't come into heat again. We teased her all the time, no foal heat, and we even tried a prostaglandin injection 3 times to bring her in. Nothing worked. Finally pastured her with the stallion and don't think she ever bred. She isn't the nicest mare to deal with (great for us, but won't cooperate w/ vet) so never ultra sounded and sold the mare. New owner has kept her in with her experienced APHA stallion and hasn't seen her come into heat at all this year. Any suggestions? Not sure what to think!
 

J.R.Hamilton
Yearling
Username: Cobbreeder

Post Number: 67
Registered: 05-2005
Posted on Friday, May 26, 2006 - 06:00 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Some mares just refuse to show heat on first foals and are considered "foal proud" even though they may sneak thru a silent heat.
Sometimes they are just too preoccupied with new baby and don't help you out at all. have had 2.
One even though in silent heat with huge follicle almost kicked the stuffing out of my stallion many years ago....decided to let her go thru and not rebreed until the following year she did fine after that.
1 other mare even with medication to drug her for scans etc...was a real pain to deal with... we did testing and found her thyroid was not producing at all.. so jump started her with Thyro-L and it helped get her pregnanat the following year. New owner may want to run some simple blood tests and see what gives .
 

Jos
Board Administrator
Username: Jos

Post Number: 10691
Registered: 10-1999
Posted on Sunday, May 28, 2006 - 02:39 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Without a breeding soundness evaluation by a competent veterinarian it really is impossible to give a comprehensive opinion.

Note that if she had become lactationally anestrous following foaling last year, the use of prostaglandin would not cause a return to estrus, as there must be a functional CL for the prostaglandin to work on (which would be absent in the case of anestrous).
 

Christi
Neonate
Username: Northwindpratt

Post Number: 9
Registered: 05-2006
Posted on Sunday, June 04, 2006 - 08:26 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thanks for the input. Will forward info to new owner of this mare. The mare is still in with her stallion and has not shown any sign of heat this year. She'd be due in a month according to the date we took the stallion out of the pasture with her.



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