In fact, there shouldn't be anything like food waste, if we know turning it into animal fed, manure or other uses !

Residue of lot many fruits and vegetables could be turned into silage to supplement animal feed. For instance, pineapple fruit silage could be excellent fodder source for livestock. We should docuement all possible uses of grains, fruits, vegetables & other edibles, how best we can make use of them under different circumstances.