5 Things Everyone Gets Wrong About horse feed without soy
https://performance-horse-feed-iigg577.currentvale.com/posts/buying-a-low-starch-muscle-feed-5-boxes-hoveler-pur.muskel-ticks-before-you-commit
Workload sets the dose: light work gets 30–50 g per 220 lb of body weight, medium 50–80 g, heavy 80–100 g. That gram-range feeding fits sport horses in regular training, at $52.99 for the 44 lb bag added to a complete ration.