My mare is in season at the mo, and has been in with mine and my friends horses for a couple of weeks, her and this one 'gelding' have been very close and stay together in the field a lot. I say 'gelding' as he acts very much like a rig and is always with the mares and really stands up to my gelding if he goes near any mare. My friend got a new pony (mare) and she is also in season and tonight me and my friend were filling up their water when we noticed this 'gelding' was mounting the new mare. When I say mounting he was 'in' and 'going for it'. He kept doing this whilst we were there and did it about 6 times in 20 mins.
About a week ago my friend told me that one of her mares had a white ish milk like substance dripping from her teats. I did not see this, but that's another clue. This mare is pretty 'fat' but she is one of those horses that lives off fresh air.
I'm wondering two things:
1) if the gelding is a rig can he get the mares pregnant?
2) if the mares are pregnant can they have terminations?