Mad Cow Disease More Condition_symptoms What Part Of A Cow Are You Most Likley To Get Mad Cows Disease From?

What part of a cow are you most likley to get Mad Cows Disease from? - mad cow disease more condition_symptoms

And in return, what part of the cow to be less likely to contract the disease from mad cows? I read somewhere that certain parties to receive more, but can not remember where I read it.