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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 ). – blacksmith37 Dec 19 '18 at 22:22
  • Ever wondered what gelatin is made of? Right, bones (and skin). – Erik Dec 20 '18 at 13:08
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    Blood & bone fertilizer. – Fred Jan 6 '19 at 2:25
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Lots of it is ground up and used as animal feed. for the same animals...

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    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 at 15:26

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