Boiling will not kill AFB spores, but I'm not sure anything will. Some people add lye to help with killing the spores. I have not tried the lye.
I would just boil them, unless you have reason to suspect AFB. If you think there was AFB involved the standard practice is to burn them.
I would just boil them, unless you have reason to suspect AFB. If you think there was AFB involved the standard practice is to burn them.