I'm sure they're wondering too... If he gets good strength on it, it's less critical than a hock or a hip. He may no longer be a good dancer, but he may be able to do the important part. If I know stallions, I know he'll sure ~try~ :~D
Yep, they're nothing if not persistant. If nothing else, they could breed him in a sling to help hold up some of his weight. I'll bet there's nothing in the rulebook about THAT! And wouldn't that be an interesting sight to see. ;o)