I was at Tractor Supply Co. Today and I was going to get some beet pulp for our pregnant mares. I was discussing with an employee about whether I should get beet pulp shreds or pellets when a lady walked up and started talking to me about it. She told me she is giving her pregnant mare beet pulp because she is underweight and since my mares are not, she said I should just give them Calf Manna to give the foals extra nutrients. She said she was a vet and said she always gives her mares and recommends Calf Manna. I was hoping to get more info about this, considering I hadn't even heard of it before today! I went ahead and bought it, but I haven't used it yet. Is this really good for pregnant mares and their foals?