Cattle feed additive and method of use

The present invention provides a cattle feed additive and method of use, in particular, the addition of linseed oil and malic acid in the diet to increase rumen propionate concentration Yanbian cattle conjugated linoleic acid (CLA) and its endogenous Precursors - nutritional regulation method content: elaidic acid (1 trans-11C18). By dietary nutrition technology, Yanbian cattle rumen PH, acid concentration has increased, improved rumen environment, an increase of conjugated linoleic acid in the rumen fluid and trans oleic acid.