11 Ways to Completely Sabotage Your horse feed for weight gain

https://horse-feed493.rivetgarden.com/posts/what-horse-feed-is-best-for-horses-healing-from-injury-2

Gentle horse feed for sensitive stomachs supports proper digestion, fibre support, and comfortable gut activity. Developed with reduced-starch ingredients, digestive cultures, and readily digestible nutrients for horses with digestive sensitivity.