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Discuss How long are mares in heat? at the Horse Health forum - Horse Forums.

I'm not sure how long a mare stays in heat... Is it a once a ...
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    How long are mares in heat?

    I'm not sure how long a mare stays in heat... Is it a once a month thing? How long does it usually last? Is it different for every mare? Is there something you can give or do for a mare that can calm them down when they're in heat?

    I took Jez to the arena today and she saw a stallion and went berzerk. She nearly ran me over, got completely covered in sweat, then when we got back to the house, she started pacing the fence in her corral. Sometimes she gets so worked up, she'll pace for a solid day by the fence, not eating, drinking, pooping or stopping for a second and by the end of the day, she's so sore. What can I do to keep her from doing that? I know it's instinct but I don't want her to wear herself out like that.

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    In the summer my mares are in season only 4 or 5 days; seems really bad in spring. In the winter (now) there not so bad 2 or 3 days, thats if they show any signs at all.

    I'm not 100% sure but I believe they are on a 28 day cycle.
    Horses: Cayenne a Belgian Quarter Horse Cross; Angie a Thoroughbred; Buckley a Quarter Horse; Cashmere the other Belgian Quarter Horse Cross

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    Full Member jjennings089's Avatar
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    Google is such a good thing: http://www.horsekeeping.com/horse_be...heat_signs.htm

    I have a correction: cycle is 21 to 23 days, and last anywhere from 4 to 8 days. That seems to be what most sites say...
    Horses: Cayenne a Belgian Quarter Horse Cross; Angie a Thoroughbred; Buckley a Quarter Horse; Cashmere the other Belgian Quarter Horse Cross

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    Quote Originally Posted by jjennings089 View Post
    In the summer my mares are in season only 4 or 5 days; seems really bad in spring. In the winter (now) there not so bad 2 or 3 days, thats if they show any signs at all.

    I'm not 100% sure but I believe they are on a 28 day cycle.
    Hmmm okay that makes sense to me now... usually the first signs that I can tell Jez is in hit is she gets in her one-leg-kicking stage, then she'll get really ansy, then she'll pace pace pace pace, and then she gets really really sore from pacing, and then she'll be normal. But I wasn't sure how often or how long a mare is in heat and I should start keeping track of when she's in heat so I can be prepared.

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    Hmm that article says that mares don't go into heat in winter, but Jez sure seems like she has... really on cue once a month for about a week, she gets really upset, racing around, and she paces the fence, and if there's a stallion going by, you might as well run for cover cuz she goes nuts. Plus she'll pee twenty times a day and for about a day, she gets mad at everything... running away, pinning her ears, and trying to kick you if you try to pick up her legs. Definite signs of horse PMS if you ask me. Not to mention she makes all the stallions that go by wanna do backflips. When my vet came (cuz I was worried about Jez pacing so much), she had to check Jez's anal passage, and she said Jez had huge ovaries. Could her heat cycle have shifted somehow? And could she be in like a heat overload? Or is this normal for most mares?

    She hadn't been in heat for a long time because of Cushing's Disease, but I remember about two years ago she was in heat and was acting up so bad, she had her previous owner worried lol.

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    My mare is a odd ball!

    In the winter if theres a period of weather that feels like spring is coming sunrise will go into heat. It'll only last for about as long as the weather does. So, she wink, squirt the whole bit.

    and sunrise will last from 8 to 14 days..it'll go in and out than stay strong for about 5 of those 14 days than go in and out again till shes done.

    anything is possible but I'll let one of the pros answer about shifted heat cycles. I know a few mares that you just have to leave alone for their heat cycles they can get so nasty. Since its really uncomfortable for them.

    Anyway good luck!
    Hope some ideas come your way!
    Arwen- 2011 Clyde X Hackney

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    Lol I feel bad because... I mean it's like all Jez's fiber and being is for getting pregnant. If she didn't have laminitis and Cushing's Disease, and I knew a lot more about horse pregnancy and foals, I'd be all for breeding her, maybe in a few years if she shows awesome improvement and I get the okay from the vet.

    For those of you who are interested, even though she's getting about 1 pound of senior horse and two flakes of alfalfa hay a day, the white line separation is less than it has ever been, she's got more weight back on her, her muscle tone is excellent, and she's been walking awesome.. spinning on her feet and no popping from her joints. She's also stopped shifting weight from one foot to the other. And I'm starting her on Remission next week.

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    Quote Originally Posted by Laffee Taffee View Post
    Lol I feel bad because... I mean it's like all Jez's fiber and being is for getting pregnant. If she didn't have laminitis and Cushing's Disease, and I knew a lot more about horse pregnancy and foals, I'd be all for breeding her, maybe in a few years if she shows awesome improvement and I get the okay from the vet.

    For those of you who are interested, even though she's getting about 1 pound of senior horse and two flakes of alfalfa hay a day, the white line separation is less than it has ever been, she's got more weight back on her, her muscle tone is excellent, and she's been walking awesome.. spinning on her feet and no popping from her joints. She's also stopped shifting weight from one foot to the other. And I'm starting her on Remission next week.
    This is just a suggestion, ask your vet about marbling her. I've talked to a few people that had it done to their mares and they raved about the results.

    Good Luck

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    The white line seperation is reduced because it is growing out. That is in no way an indication of current hoof problems.

    If she is having such violent heat cycles, it is entirely possible that she has ovarian cysts (there are other possibilities as well, but this is the most common I'd say).

    Or it could just be a simple matter of training. I don't care what the situation is, a horse should be well enough trained on the ground that she does not run you over.

    Why in the world spend money on a hoof supplement when you don't have the basics of management down? It will be in effect a waste of money. (Canceling one another out.) Magnesium would certainly be a good addition to her diet, but (based on memory of the levels in Remission) it is not high enough.

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    Quote Originally Posted by Dawn View Post
    The white line seperation is reduced because it is growing out. That is in no way an indication of current hoof problems.

    If she is having such violent heat cycles, it is entirely possible that she has ovarian cysts (there are other possibilities as well, but this is the most common I'd say).

    Or it could just be a simple matter of training. I don't care what the situation is, a horse should be well enough trained on the ground that she does not run you over.

    Why in the world spend money on a hoof supplement when you don't have the basics of management down? It will be in effect a waste of money. (Canceling one another out.) Magnesium would certainly be a good addition to her diet, but (based on memory of the levels in Remission) it is not high enough.
    Hmm if she has ovarian cysts, that could by why the vet said her ovaries were so large... mkay I'll be sure to give her bute when she's in heat.

    I also don't think I'll take her for walks if she looks like she's in a pretty bad mood. I'll walk her in her corral but not outside.

    I'm getting her Remission because that's the best I can do for her. My vet has already said that she needs to be on alfalfa hay and to add a little bit of senior horse to give her feed some taste, and once my friend heard that, that's all she needed. There's no way in **** I can change her mind now, so I'm just doing what else I can to help her... using those old mac boots, hosing her feet down when they get too hot, giving her light exercise once a day... basically I'm trying to hinder exactly what the feed is doing to her. So far her feet have been cool, no heavy digital pulse, and she's been walking excellent. If I can just do this for a few more months until my friend finally hands her over, I can get her back on a good diet and get her on her way to recovery.

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