So You've Bought high energy racehorse feed ... Now What?

https://horse-feed-ingredients307.rivetgarden.com/posts/hoveler-western-sport-7-reasons-it-s-the-feed-for-topline

For ranch horses whose owners want to skip oats entirely, this oat-free muesli supplies energy from a low-grain base instead. It costs $37.99 for the 44 lb bag, plus feeding starts at 0.55 lb per 220 lb of body weight for light work.