Very much agree stoic.
Muzzles and/or small hole nets/bags are great for reducing calories
Progressive has a concentrated RB that’s fed at 1/2lb. Or you can do like I do and use a v/m product, add amino acids, add a few other minerals (for me it’s minerals to offset high iron soil), and you can do pretty well
HorseTech has a new High Point v/m that is higher in minerals than most.
It can be done
It pains me to see so many growing horses having nutrition sacrificed for the sake of calories.
Harder keepers ARE easier! Lol. I have one, and also 2 “easy” keepers who are living in muzzles right now. My new foal is about 84% TB out of my “harder” keeping mare and I REALLY hope he takes after her!