Most mares will quit their estrus (heat) cycle. Easiest is to have the mare palpated at 30+ days after breeding. Ultra sounding can help to determine pregnancy (but usually cost more than a palpation)
You mare should be getting a soft butt( I.e jigglie) Her utter should fill up with milk, if you milk her is should be turning white. She will also get wax plugs on her nipples. Which will come off on...
Heavy breathing can be a sign of many things, including that she may be in labor and ready to have her foal. Heavy breathing most commonly means the horse is uncomfortable or has exercised heavily....
yes there are in fact! xD when a mare is close to giving birth, she may pace around her stall, look at her side, look as if shes in pain, lay down and get up, and just like humans her water will...