Along with, 'How can I build topline?' and its close cousin, 'How can I get my horse to put on weight?' this question is among the most commonly asked. There are seven macro minerals and seven micro minerals essential to a horse's diet. These minerals in excess or deficiency can affect the biological function and therefore, overall health of you horse. Deficiencies or excesses can occur even with an adequate diet and it is important to consider that as well as these minerals