Originally Posted by Jae Onasi
I do know it's not nearly as efficient a use of calories as feeding people the grain directly.
If we're the primary consumer, we can use about 10% of the grain's energy for our own body's processes.
If we're a secondary consumer (ie cow eats grain, we eat cow) then we only get 10% of the cow's energy. That's only 1% of the grain's energy potential.
So yes, it's 10x more efficient to feed people grain.