Antioxidants: Substances such as Vitamin E and selenium that protect cells against damage caused by by-products of normal metabolic processes (free radicals).
At Grass: A horse that has been turned out in a paddock or field.
Concentrates: Feeds which are low in fiber and high in total digestible nutrients.
Forages: Feeds high in fiber and low in total digestible nutrients.
Palatable: Agreeable and pleasing to the taste.
Ration: The entire feed regimen a horse receives in a day.
Total Digestible Nutrients (TDN): The sum of the digestible components of feed: protein, carbohydrates, and fats.