If you took a pig and followed all the bits and pieces after slaughter you might be surprised at where things end up. You also man never want to smoke again:
Who knew it took pig fat to make automobile paint? Or that hemoglobin from pig blood is used in cigarette filters?
I prefer my pig fat in the form of lardo…
Read the fascinating story of what happened when Christien Meindertsma traced what happened to the body parts of a specific commercially raised pig: Pig 05049