> There could be a number of reasons
> for this. First, describe what you
> consider diarrhea. The term can
> mean a lot of different things to
> different people.
> Have her teeth been checked by the
> vet?
> Green grass can cause loose
> stools.
> Has she been wormed on a regular
> basis?
> Has she had a vet exam recently?
> Is her temperature normal?
> What is her behavior like?
> Interested in her food and the
> world in general, or listless and
> lethargic?
Her teeth are fine, she has been checked by the vet he is not sure what is wrong with her, she has been wormed nothing seems to help she acts like any other horse but her stool is very runny.