Fuente: WIPO "milk" The composition of one or more selected soluble sugars and one or more selected dicarboxylic acids into a feed supplement for ruminant animals that maintains the appropriate level of lactic acid and pH of the rumen, and optimizes the availability of energy and nutrients for milk production or growth. The composition also includes one or more selected mineral salts and/or fat, fiber or flavor freshener. An improved animal feed, a method of improving animal feed, and a method of feeding the compositions sufficient to provide the rumen a pH in the range of about 6 to 7, and to increase the amount of digestible protein in the lower intestine by increasing microbial protein synthesis in the rumen