Why are oats commonly used as feed for horses?

Oats are considered the preferred grain for horses for several key reasons:

• Nutritional Balance: Oats are chemically well-balanced, offering a favorable profile of protein, fat, and carbohydrates that makes them highly suitable for equine health. They provide significant nutritional value, which is particularly beneficial for growing animals like foals.123
• Bulk: A primary reason oats are favored over other grains is their bulk, which is advantageous for the horse's digestive process.4
• Digestibility and Preparation: Because they are relatively easy to digest, they are a staple in the diet of stabled horses. For older horses with worn teeth or those with digestive sensitivities, oats can be easily crushed to improve intake.3
• Safety: Unlike some other feed options, oats are generally free from the specific risks associated with other grains or improper forage, provided they are of good quality.4

While other grains like corn or barley can be used as substitutes when they are more economical, oats remain the standard choice for maintaining the health and performance of horses.43