At what age can a colt impregnate a mare?!
 
 

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At what age can a colt impregnate a mare?!

This is a discussion on At what age can a colt impregnate a mare?! within the Horse Health forums, part of the Keeping and Caring for Horses category
  • Can a 6 month old colt impregnate a mare
  • How old does a colt have to be to breed

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    08-02-2013, 02:31 PM
  #1
Foal
At what age can a colt impregnate a mare?!

I have been boarding my horse in a pasture with 6 other horses. One is a colt who is a year old last month. The owner got the vet out to geld him last month because he was starting to act a bit studdy and mounting everything, including the geldings.
Unfortunately, the vet could only 'get one', other testicle hadn't dropped yet apparently. They are scheduled to come back in the fall to get the other one. :O poor little guy
Anyways, I hadn't really thought about it before, I guess I just assumed that he wouldn't be able to get anybody pregnant. But the OWNER was joking about how she hoped there wasn't going to be any little babies come 11 months. And then someone commented that my horse was looking a little tubby and joked she was pregnant, not knowing. So it's totally freaked me out.

I don't think he's mastered the , er, mechanics of it yet, so I think it's a very low possibility, but from reading some articles apparently a colt can get a mare pregnant at even 9 months of age??

Just wondering if anybody knew exactly when its possible. I don't really have an option to move my mare, and there's no where to keep the colt separate, so there's not much I can do about it anyways. I just really, really don't want my horse to be pregnant.
     
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    08-02-2013, 02:32 PM
  #2
Showing
Yes, a yearling can get a mare pregnant. If you don't want a foal, have the vet out to give your mare a shot of Lutalyse, and have the colt's owner pay for it.

There's no way I'd keep a mare at a barn where they can't/don't separate out ungelded males. That's completely unacceptable, not to mention horrid horse keeping practices.
     
    08-02-2013, 02:34 PM
  #3
Foal
Oh geez :O
I will talk to her about it.

Is there anyway for a vet to determine if a mare is pregnant?
     
    08-02-2013, 02:39 PM
  #4
Showing
The earliest test for pregnancy is about 12 weeks I believe, but I'd have the shot given just in case before then. You want it nipped in the bud NOW, not before you're forced to have your mare give birth to a foal you didn't want.
     
    08-02-2013, 02:45 PM
  #5
Showing
I agree, get the vet to give her a shot of Lute. If she's not bred, then nothing will really happen, but if she is, then she'll abort and you won't be stuck with a foal you didn't want.

Worst case scenario, all you've got to lose is the cost of the shot....which I would either have the colt owner or the barn owner pay for.

And, until they get him completely gelded, I would insist that they either fence off another part of the property to keep him separated or I would find another place to board. To knowingly keep an intact male in with mares in a boarding facility is, as SR said, very poor horsekeeping practices.
     
    08-02-2013, 02:52 PM
  #6
Foal
Uuuuuuggggghhhhhhh.
I've never been in this situation before, I've never known anybody who was breeding horses, so totally clueless. I just figured that if the owner (who is also the property owner) wasn't concerned about it, she knew what she was doing.
The other 3 mares on the property are all hers, so I guess she just doesn't care?

Funny part is he does prefer to mount his best buddy, who is a gelding.

Thank-you for all the information, I will be scheduling a vet visit asap! Does anyone know roughly how much a shot of lutalyse would cost?
     
    08-02-2013, 02:57 PM
  #7
Showing
She may not care...or she may be of the "old school" mind that no colt can breed before he's 2 years old. I would politely take your concerns to her when you bring up her paying for the shot of lute.

Unfortunately, I have no idea how much a shot of Lute would cost. Thankfully, I've never had to have one done...and I don't think it would cost the same for me as it does for you anyway, being almost an entire continent apart LOL.
     
    08-02-2013, 03:32 PM
  #8
Trained
The drug isn't new. I always kept geldings but for about a year a friend kept her mare in my herd. Other horses were boarded there, too, and someone's stallion jumped the fence. It was, I think, in 1987, and my friend called the Vet and had her treated to "abort" the foal, though we weren't 100% sure that she was in foal. Didn't harm the mare at all.
     
    08-02-2013, 04:01 PM
  #9
Yearling
Lutalyse is very very cheap but must be given before the embryo implants, so the first 20 or 30 days I think it is after being bred. Talk to a vet ASAP
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    08-02-2013, 04:10 PM
  #10
Green Broke
I've never heard of a boarding facility that doesn't have separate turn outs, much less one that doesn't separate ungelded stallys, regardless of age. I'm surprised that there haven't been issues before this one: perhaps that's another conversation to have with your Barn Owner.

Best of luck with your mare! What a scary situation :O
     

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