A lot of the grain fed to cows is distillers grain [1] and brewer's spent grain ...

akiselev on Jan 19, 2023 | parent | context | favorite | on: Plant-based meat is turning out to be a flop

A lot of the grain fed to cows is distillers grain [1] and brewer's spent grain [2], which is basically industrial waste that would otherwise go to compost.

[1] https://en.wikipedia.org/wiki/Distillers_grains

[2] https://en.wikipedia.org/wiki/Brewer%27s_spent_grain