After the thread about Pally's fetlock and not hearing anything, I'd assumed this horse was dead. Sounds like the owners are quite happy to leave him to die slowly. Why the hell do these people have horses?
Boodle you have the patience of a saint, I wish I could suggest something to help.
"Come and visit this special place for yourself and enjoy looking onto our pedigree fold of Highland Cattle grazing alongside our adorable Dutch horses."
Well, he can prob be done for trade descriptions using that comment.
I'm so tempted to email him, anonymously of course.
Do, do, do speak to your local newspaper, they'd run with this story I'm sure.