Phytase may cleave phosphate group from the phytate molecule.In a lot of experiments,it has been shown that the addition of microbial phytase to diets fed pigs and poultry caused not only a better utilization of phosphorus but also other minerals such as calcium(Ca),magnesium(Mg),iron(Fe) and zinc(Zn).Further studies shown the phytase also improved growth rate and feed convertion ratio.Additionally,the increasd degradation of phytate phosphorus by added exogenous phytases enables up to 50% reduction in pho...