What the Heck Is EMS management feed?

https://horse-feed-brands117.tearosediner.net/what-horse-feed-is-ideal-for-horses-in-the-summer-months

Gentle horse feed for sensitive stomachs, designed to support gut comfort, intestinal health and easy nutrient absorption. A reduced-starch high-fibre formula with natural components to help maintain settled digestion and general wellbeing.