Macro minerals are present at larger levels in the animal body or required in larger amounts in the diet. Macro minerals include calcium, chlorine, magnesium, phosphorus, potassium, sodium, and sulfur.

Micro minerals are often referred to as trace minerals, meaning they are present at low levels in the body or required in smaller amounts in the animals diet. Micro minerals include chromium, cobalt, copper, fluorine, iodine, iron, manganese, molybdenum, selenium, and zinc.