AB - combination of a couple things.
Step 1, no grain at all, what-so-ever. None. He gets free choice grass only hay (no alfalfa at all) and that's it.
Step 2, during last summer and fall he would have a grazing muzzle on for 2 hour period (2 hours on, 2 hours off) during all daylight hours. Muzzle was left off overnight.
Step 3, he got worked at the trot a minimum of 30 minutes daily, to a good sweat. In last summer and fall, it literally was daily. Over the winter it was probably only 1-2x weekly. This spring we have picked back up to at least 3 days a week, working back up to daily again.
LOL Cori! He's making up for poor Finn
. Actually, I have just assumed he was well developed from being gelded so late, and being used for breeding prior to that. His sheath definitely was fatty, too, though.
Magaidh, thanks! He's getting there. See above for my strategy. Even with this approach, it has taken 2 years. I have not taped him lately, but when I got him he was over 1800 lbs. I'll have to tape him tonight to see where it judges him at now.