We can supply three kinds of iron: ferrous oxide, ferrous sulfate and organic iron.
It has a role in the blood formation. It helps to transport oxygen. Iron deficiency results in anemia and loss of appetite in chicks.
Iron deficiency results in slow growth in calves. Since milk doesnot contain iron, calf gets iron from its own liver. During pregnancy, the calf’s need must be considered. Iron is also important for normal growth, egg shell formation, egg production and fertility.