Alfalfa is a green, leafy legume hay that is commonly added to livestock’s feed programs in order to provide additional nutritional benefits. Unlike other grass hays, alfalfa hay contains a much higher level of protein which can make it an important addition to some animal’s diets, although it may not always be needed. Let’s take a closer look at the benefits provided by alfalfa hay and when it may be necessary to add it to your horses and other livestock’s food.