if your giving it cows milk that will make it poorly.. ferrets are lactose intolerant.
and the old boy in the pub is talking out of his pint pot.. raw chicken bones wont harm them,especially wings etc etc.. baked in the oven chicken bones become brittle and can shatter,causing problems..but raw is soft and easily digested.
Fair does mate she had cow juice this morning thought it might pick her up bad move by the sounds, just given her a drop of honey and water opened box and she put her head out the top seems to have picked up a tad, perhaps antibiotics are working ?