My mare just had her foal about a week ago. The foal is rather big, as you can see in my default picture, and she took a lot of nutrients from my mare Summer. I don't want to feed her any more cause she is very round in the belly still. And I wouldn't want to risk her to founder. Is there a suppliment that is healthy for a foal and lactating mare!?!? Please help. I want both my horses 100% healthy!!