Did you get the impression that I am speaking for abolishing agriculture?
To answer your question, almost anything will do as feed.
Byproducts of agriculture, grasslands, processed/filtered organic waste.
Animals will thrive on rotten meat too -- famously leading to the mad cow disease.
To answer your question, almost anything will do as feed. Byproducts of agriculture, grasslands, processed/filtered organic waste. Animals will thrive on rotten meat too -- famously leading to the mad cow disease.