For example, they use every part of the pig to make food. But in western countries, what customers can buy from groceries are just the "best" part of a pig. Pork lungs, rind, and many other tasty parts are not consumed. Does this contribute to the food shortage?
-2017-11-11 {297} (#3452@4096) (Ocean & Mountain);Similarly, for those people in developing countries (as you put it), I think they eat liver, Kidney, etc., because they just love eating them, not necessarily because they don't waste food.
-2017-11-11 {358} (#3455@4096) (Café); +1