 You know, when you're looking for things like temperature, appetite, demeanor, appetite and demeanor usually you'll see first, head carriage, any changes in their stool, anything that's abnormal to you may be worth exploring because it may be the signs of one of those diseases that takes a little while to manifest itself. If you keep them away from the other horses, it prevents a big, big problem for your barn. It's kind of a pain in the butt, but it can prevent a lot of issues.