- Complexing of organic trace minerals which are necessary to synthesize hemoglobin, it can provide enough iron for the pigs in special physiological phase . - Promoting iron crossing the placental barrier in pregnant sows. - Avoiding Fe2+ to be oxidized to Fe3+ ,which can damage vitamin in the diets and keep it’s chemical stability.- Increasing immunity of the animal and the fight against illness.- Increasing the amount of iron in the sow’milk and the newborn piglets’ iron retention to prevent baby pig anemia and diarrhea.- Enhancing birth-weight, livability, growth rate, feed conversion efficiency of piglets.- Improving reproduction performance of sows.- Increasing hemoglobin level of pigs and improving carcass quality.