The pork in the McRib is made from the disposable innards of the pig such as tripe (stomach) and heart. These pig scraps are then cooked in water and salt. This process congeals everything together into a rubbery blob which then becomes the pork patty. (Source)
http://villagegreennetwork.com/seeing-youll-never-eat-another-mcdonalds-mcrib/
Pig is pig and nothing is disposable.
ahhh yes, but it is good tripe
as I recall, Gargantua’s unfortunate birth was the result of his mother’s over indulgence of tripe