New feed additive glycine ------- zinc amino acid chelate. This product is stable, adding the feed will not disrupt a variety of different types of vitamins, do not feed in the catalytic oxidation of fat. The FDA is more conducive to raising the full price of premix and feed quality of the product. Pinocytosis through the amino acid glycine-type zinc absorption, ease the absorption of trace elements when the competition between the antagonistic, not only greatly enhance the absorption and utilization of zinc, but also enhance the absorption of other trace elements. Glycine Zinc is a variety of enzymes, epithelial tissue, an essential component of ribosomes, can improve immune function, improve poultry, hatching egg laying rate and to improve egg quality; it can improve carcass quality of livestock and poultry meat. Zinc methionine diet to reduce the loss of zinc ions in the water to prevent the stress response of aquatic animals, aquatic animals, strengthen the constitution. The production of this product in the feed temperature, long-term storage.