5 Things Everyone Gets Wrong About growth feed for young horses

https://sites.google.com/view/muscle-building-feed-for-horse/

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 suits sport horses in regular training, at $52.99 for the 44 lb bag added to a complete ration.