I have a 4 month old broiler roo. A few weeks ago, it was attacked by the other chickens. Tore him up pretty badly. We separated and put it in the out grower. But now he won't walk. He eats and drinks just fine, but won't walk at all. His legs don't seem to be broken and no bumblefoot. But when we get to the point where we say we need to put him down, he will get up and start moving around like he is fine. Next day, back to the same thing. I'm worried about him. What should i do? It breaks my heart to think about putting him down (yes I'm very attached) but i don't want him to suffer if there's nothing that can be done.