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The Use of Simplified Diets in the Study of the Fat Metabolism of the Mammary Gland¹

Department of Dairy Industry, Storrs Agricultural Experiment Station, Storrs, Connecticut

ABSTRACT

The data show that carbohydrate, when fed as the sole diet, provides the precursors for the synthesis of the lower fatty acids of milk fat. As blood glucose does not appear to be the blood precursor of the lower acids, the dietary carbohydrate must act indirectly. Possibly, the carbohydrate is converted into the necessary precursors in the rumen by the action of certain micro-organisms. It is also possible that it may exert a sparing action on the utilization by other body tissues of substances which act as precursors of the lower fatty acids of milk fat.

¹ This investigation was supported in part by a grant from the Chas. M. Cox Co.

² The experimental data in this paper are taken from a thesis presented by O. W. Kaufmann in partial fulfillment of the requirements for the degree of Master of Science in Dairy Industry, University of Connecticut.