What the Heck Is balanced horse feed?

https://equine-nutrition315.raidersfanteamshop.com/how-much-to-feed-a-500kg-horse-a-practical-horse-feed-guide

Gentle horse feed for sensitive stomachs, designed to support gut comfort, intestinal health and better nutrient absorption. A low-starch high-fibre formula with naturally sourced ingredients to help maintain calm digestion and overall wellbeing.