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HELP!!! Pregnant mare behaving like a stud

Equine-Reproduction.com Bulletin Board » General Mare Questions - Volume 2 » HELP!!! Pregnant mare behaving like a stud « Previous Next »


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Ashley Lilley
Neonate
Username: Amlilley5

Post Number: 1
Registered: 07-2010
Posted on Wednesday, July 07, 2010 - 04:48 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I have a 21 yr old TB mare that I have owned for about 6 years. This will be her third foal in all, and the second one since I have owned her. She in incredible shape and has been retired from international eventing competition for about 3 years now. She can be very high strung to ride, but normally can be handled by a child. Since about 31 /33 days of gestation, she has started to behave like a stallion. While being walked to the pasture, she will rear up, strike out, and/or bolt. She has been out to pasture with her yearling who she has never been aggressive with. Today, she kicked the filly quite good. We now have her out by herself, but I was wondering if anyone had a mare behave this way, and if there is anything you can do to calm it? During her last pregnancy, she acted like this for about a month (I believe?) and then she returned back to her normal self. I am assuming it is a hormonal change that has caused this, but I want to do the most I can to prevent anyone from being hurt. This is not her normal behavior. She is usually a wonderful mare to handle and have around. During her pregnancy is the only time I've seen this aggressive behavior. Thank you for your help. Any similar stories would be greatly appreciated.
 

Jos
Board Administrator
Username: Admin

Post Number: 2941
Registered: 10-1999
Posted on Wednesday, July 07, 2010 - 06:22 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

At various stages of pregnancy the fetus secreted testosterone which is what causes stallion-like behaviour in the mare, but 31/33 days is early for it to happen. Your description doesn't necessarily sound like stallion-behaviour though... it could just be the pregnancy progesterone talking, which at 30-35 days is more likely than testosterone.

Wait it out and see what happens!
 

Ashley Lilley
Neonate
Username: Amlilley5

Post Number: 2
Registered: 07-2010
Posted on Sunday, July 11, 2010 - 12:26 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thanks Jos. Now that we seemed to have tackled one hurdle, there is always another waiting in the wings. We have put the mare on Regumate now to be "safe". We noticed the other day when bringing her out to her pasture (about 39 days along), that she had fluid (not necessarily milk)dripping. I noticed that before her 28 day check, which showed a viable fetus with a heartbeat, that she had milk-like stains on her legs. It was only a little bit. I talked with both my treating vet and my theriogenologist, and they recommended the Regumate. At the 28 day check, her cervix was nice and tight, even with the milk stains on her legs. I tend to be a bit of an alarmist, but in this situation, I'm not overly concerned. It is not uncommon for this mare to drip, even when coming into heat, coming out of heat, or really at any time, you might be able to produce some sort of fluid if you really try. Has anyone had a mare like this? I don't remember if she did this during her last pregnancy or not. Also, she is not the least bit interested in any of the boys, so I tend to think we are alright. Thanks for the help and comfort! Hopefully this time next year I will be on here talking about my lovely sandro hit foal.



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