Iron is an essential component to construct hemoglobin, myoglobin and cytochrome of animals. Iron plays very important roles in hematopoiesis, transport of oxygen and biological oxidation process of animals. Lack of iron can lead to anemia, pale skin, vigor decline and unsightly color, luster of skin and fur.

Specifications:
1) FeSO4.7H2O: Fe¡Ý19.7, Pb¡Ü0.002, As¡Ü0.0002
2) FeSO4. H2O: Fe¡Ý30.0, Pb¡Ü0.002, As¡Ü0.0005