Yes. Distillers grains can be safely fed to horses. Brewers grains have been used as part of horse rations for many years. (Dried brewers grain is a by-product of the brewing industry that results from drying mash solids.) The expected protein content is around 24 to 25%, which is a percentage between crude protein concentration in grains and that of protein supplements such as soybean meal. It is relatively high in crude fat (9%) as compared with grains and, although moderately variable, is similar in energy content to high-quality oats. Distillers dried grains with solubles (DDGS) have been fed to levels of 10% with no effect on palatability, and at 20%, they showed an increase in feed intake.
