Originally Posted by Muppetgirl
I'm curious, not thread jacking here, but a horse that develops heaves as an adult, say 5 - 10 yrs of age.....is the horse incapable of any kind of exertion without becoming breathless??
It depends....if it's caught early on and there's a complete change of environment as mentioned, symptoms can be completely absent. But that means no playing around," oh, it's so cold out, poor horse, I can't leave him out" or "don't have time to wet the hay".