"I just never know how careful to be, because I've never had one founder. I've known there was potentially too much grass, I've limited them when it's particularly lush, and so far so good. What I don't know is how much is too much. It's sortof like running your car on empty. You never ~really~ know how far down the needle will go until you actually run out. And you never want to actually run out."
So true. I don't think you can be too careful although I've never had a horse that wasn't a pony founder. Tuffy sure could, he's fat and cresty. He's also in the barn right now because of his allergies. They've suddenly kicked up on him and he does much better in the barn. He's gonna need some prednisone come Monday morning when the vet opens.
What's he allergic to?