Razhie answered Saturday December 29 2007, 9:23 pm: A mare goes into heat when she is ovulating and could become pregnant. A mare being in 'standing heat' means that she is ready to mate.
Every mare is different, just like human women. With some mares, it's obvious when they are heat, they become anxious, distracted and sometimes down right mean. It's even more obvious if you have a stallion around, but there are no definate physical signs, they change from mare to mare.
Mares can go into heat several times a year, but always during the breeding season in spring and early summer. Being in heat lasts for about 8 days.
During this time your mare can be difficult to handle, uncoperative and distracted (her mind is on something else). Some mares barely change at all while they are in heat, others become almost unmanagable. It's important they get normal exercise however. If you mare in heat gets bored, you will definately have an unhappy horse.
Mares become difficult to ride because of the attitude issues I mentioned before, but perhaps most important, mares become difficult to ride because stallions can behave horribly around a mare in heat. A difficult stallion can become completely uncontrollable around a mare in heat. Even very skilled riders keep thier distance from any stallion while on a mare in heat: the stituation can become dangerous. [ Razhie's advice column | Ask Razhie A Question ]
missbananafontana answered Saturday December 29 2007, 9:18 pm: 1. It means that she's going through her estrous cycle, which is like a state of fertility and breeding. It is usually changes due to seasons.
2. The surest way to tell is that a mare in heat will usually spread her back legs apart and squat to pee. She will do this often and the pee will often be off colored (milky). She will also wink a lot with her vagina.
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