What is the primary function of carbohydrates in a horse's diet?

The primary function of carbohydrates in a horse's diet is to provide energy. Carbohydrates are the body's main source of fuel and are crucial for meeting the energy needs of horses, especially for those involved in athletic activities or high-energy work. When horses consume carbohydrates, they are broken down into glucose, which then enters the bloodstream and can be utilized by muscles and other cells for immediate energy or stored for later use.

While other functions listed, such as building muscle, supporting digestion, and enhancing growth, are important in a horse's overall nutrition and health, they do not directly relate to the primary role of carbohydrates. Building muscle is primarily influenced by protein intake, while digestion is supported by fibers and specific nutrients. Growth can be affected by various nutrients, including proteins, vitamins, and minerals, but carbohydrates play a more central role in energy provision, making them essential for a horse's overall performance and well-being.