I have a mare (we are in the uk) that is due to start Regimate to try to establish a proper season (heat) in order for her to go off to stud. she comes into season very easily and too often. We have recently had a gelding come onto the yard and this has put her in season again, except this time apart from winking and squarting, she is mouthing at him, she will stand with her mouth open and chew. Why is she doing this?
I would also add to Rooty's correct observation, that apparent estrus (season) display can also be a sign of submission and does not necessarily indicate a readiness to breed, so the fact that your mare "comes into season very easily and too often" may in fact be related to submissive behaviour rather than true estrus.
Note that Regumate will not guarantee that the mare will come into estrus in a timely manner - there are pitfalls behind its use for inducing estrus. See the article about Regumate use on this site for further details. In view of the behavioural issues, it will therefore be very important to have the mare evlauated by a vet (i.e. ultrasound or palpation) prior to breeding to make sure she truly is ready to be bred.
Thanks Rooty and Jos, I had an idea of what she was doing, as I too had seen it in foals. My vet has said at the end of the Regumate course he will come back to check that she is in estrus and if this covering is not succesful than she will be left till next year. In the meantime he will check to see if she has any cysts or tumours which are causing her to come into season so often. But at this point it is a case of keeping her out of season that is the problem.
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