More helpful hints: Expectations vs. Reality

https://www.maryvilleforum.com/online_features/press_releases/in-the-home-of-endurance-racing-bifid-brings-grain-free-gut-first-feed-to-the/article_b7c70f7b-2c5b-59cc-9053-45b063f6f517.html

Horse feed for horses that struggle to keep weight on helps encourage steady weight gain with calorie-dense nutrition, highly digestible fiber, and well-balanced protein for horses that find it hard to keep body condition