I read somewhere that sebastopols are highly suseptible to angel wing, and the way to fix it is to breed a smooth breasted bird to a curly chested bird. Now comes in my question. Since the strain of sebs I am going to get has angel wing, could I breed embdens into the line to cure the angel wing, and how many generations of breeding back to pure bred sebs do I need to go before I can call my line pure blood again? Also is there a way that I can keep them from getting angel wing with diet?