What Would the World Look Like Without low NSC horse feed?

https://sites.google.com/view/aminoacid-supplement-for-horse/

Höveler's muesli fits the demands of the dressage barn: protein-rich at 20%, low starch at 5.8%, and easy on the stomach. One 44 lb bag at $52.99 supplies months of supplementary feeding inside a complete ration.