Forget dig this: 3 Replacements You Need to Jump On

https://horse-feed-options384.hexaforgey.com/posts/how-much-measures-of-grain-should-you-feed-a-horse

Low starch horse feed promotes stable energy, healthy digestion, and balanced nutrition for horses with sensitivities. It’s a good choice for sport horses, horses with metabolic issues, and hard keepers needing restricted sugar and starch intake.