The food industry grows animals for meat, but some parts cannot be sold for human consumption.

What is the final use of bones from the different animals grown industrially? pigs, beef, poultry etc.

  • Some is processed into fertilizer ( primarily phosphorus ). Dec 19, 2018 at 22:22
  • Ever wondered what gelatin is made of? Right, bones (and skin).
    – Erik
    Dec 20, 2018 at 13:08
  • 1
    Blood & bone fertilizer.
    – Fred
    Jan 6, 2019 at 2:25

1 Answer 1


Lots of it is ground up and used as animal feed. for the same animals...

  • 2
    Thanks for the answer; please consider improving it by adding sources. You might also want to list more uses (some examples are given in the comments above).
    – Nic
    Mar 12, 2020 at 15:26

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