Pelleted vs. Extruded Feeds: Digestibility and Metabolic Response in Horses
Over time, horse feeds manufactured to meet equine energy and nutrient needs have evolved from mixes of whole grains to textured, pelleted, and extruded types. The extrusion process is designed to improve digestibility; however, research into whether it does has mainly been conducted in other species.
So Kristine Ely, a graduate student at the Virginia Tech Middleburg Agricultural Research and Extension Center, in Middleburg, Virginia, looked at feed processing method’s effect on digestibility and metabolic response in horses. She presented her findings at the 2019 Equine Science Society symposium, held June 3-6 in Asheville, North Carolina.
In her study, Ely measured the body weight, feed intake, and metabolic responses of four Thoroughbred geldings consuming three
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