I have one chicken and I have noticed that she has bumble foot on both feet (one worse than the other). I have found multiple methods including surgery (which I really prefer not to do), Epsom salts, Tricede Neo, and Betadine. The latter was suggested to me by a vet in training I know who asked the actual vet what she thought. She said that opening up the foot could cause further complications (so taking out the kernel or surgery) and that Betadine would most likely kill off the infection because it is an antiseptic. But, I don't have any further instructions so for those of you with simple and effective methods please let me know (hopefully step by step) what you did.