Hallway Feeds Prep 14 Horse FeedPrep 14 Prep 14 from Hallway Feeds delivers the highest calorie concentration of any Hallway feed, providing a safe and effective way to increase body condition and shine. Designed with highly digestible fibers and fat, this feed delivers cool calories for calm, controlled energy that builds topline and condition without making horses hot. Prep 14 is ideal for sales prepping, stallions, seniors, and hard keepersany horse needing a calorie boost or