Insulin is a hormone that controls the metabolism of carbohydrates, sugars, fats, and protein, required to transport glucose. It’s a crucial process in a human body. The same holds true for equine insulin resistance. A horse, just like a human, needs more insulin for foods high in carbohydrates, and less while exercising. The amount of blood sugar depends on foods that are eaten, and the body’s ability to produce and use insulin. In cases of equine insulin resistance, feeds such as corn and oats, certain types of grass and hay, commercial mixtures and sweet feeds have high amounts of starch and sugar, and will increase blood sugar levels. Insulin resistance occurs when the body’s cells become less sensitive to insulin’s actions. Particular breeds, such as Arabians, Morgans and ponies, might have insulin resistant tendencies due to genetic adaptations to lack of vegetation. Starchy or sugary grains contribute to this, …