turned

is it a 'death sentence' to give him corn feed (corn mixed with bird seed and other feed stuff) as I am trying to wean him? He eats other things but this resent 'advise' has me worried. and if it is really bad is there something I should do to correct the bad problem I have created in his...

Anyway I can help him correct this or will he grow out of it? Should I splint them straight? any and all help appreciated