What do you mean that his rear is "unstable" -- what does that look like? Is he limping? It might help if we better understood your concerns :)
Also, have you spoken with his breeder? Mary-Ann Bowman
What do you mean that his rear is "unstable" -- what does that look like? Is he limping? It might help if we better understood your concerns :)
Also, have you spoken with his breeder? Mary-Ann Bowman