Help with feed

First off good morning my son has two heifers he's showing at the end of july one is a angus the other a herford the herford just had a calf a month ago its a little bull he will also be shown i have both cows on fitter 35 16 ounces a day per cow with 2lbs of depth charge a day per cow and 8 ounces a day high octane power fuel per cow mixed in with sweet feed for now until the purina finish feed comes in monday got advice on this from another guy that shows in our area but looking for other ideas if im feeding them right the angus heifer looks good but has big belly should i trim that up or leave it alone if so what do you recommend to trim her up the herford looks good but here hip bones stick out pretty good need to fatten her up in the rear end any ideas or stick with what im doing were new to this so any help would be great thanks oh by the way also feeding a bale a day of hay betwwen the two