Originally Posted by Sandy65
I am aware some people say a pregnant mare can still show signs of being in season throughout her pregnancy, but what is going on in that she is showing to my other mare and not the gelding?
One of three things. Your mare has slipped the pregnancy and has returned to estrus. Your mare is behaving normally and the display is simply due to hormones. Or, your mare is display submissive behavior.
Up to 20% of mares will display estrus despite being pregnant. There "is" a slightly higher incidence of mares that display estrus while pregnant producing a filly. There is absolutely no correlation to a mare displaying stallion like behavior and their chance of producing a colt ;). And, estrus display (squatting, urinating, squealing, etc.) are all forms of submission.
Hope that helps!
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