This is the second article in the "Fix It With Feed" series. Check back every Wednesday for more articles on nutrition and how it affects performance.

Some horses have a problem many of us envy—they have trouble gaining and maintaining enough weight. Whether it’s a performance horse that drops condition due to a heavy workload, or it's an off-the-track Thoroughbred that just can’t lose its “racetrack fit” physique, it can be a frustrating problem for a caretaker.