Animal feed through which it can increase Milk Production of Cows and the Milk Fat content increases, at the same time, the content of Milk Protein, also reduced the content of Trans Fatty Acids in milk fat.Animal Feed also contains the ingredients of Animal Feed Additives and other Auxiliary agents and conventional Conventional, in the Interior and on the surface of the particles of raw material of Animal Feed, a mixture of fatty acids in the co Content of saturated fatty acids is greater than 90%.It also relates to a process for preparing animal feed as well as a method to change the composition of milk Fatty Acids, to increase Milk Production and increase Milk Fat content and increase the content of Milk Protein.