high energy senior feed: 10 Things I Wish I'd Known Earlier

https://horse-feed-types888.theglensecret.com/hoveler-western-sport-vs-feeding-straight-oats-7-differences-worth-knowing

Feeding a hard keeper starts with the stated rates: 0.88 lb per 220 lb of body weight for medium work, then adjusted to condition and training intensity as the guide advises