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Journal of Nutrition Vol. 33 No. 5 May 1947, pp. 583-592
Copyright © 1947 by American Society for Nutrition
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The Effect of Fat Level of the Diet on General Nutrition

II. Growth, Mortality and Recovery in Weanling Rats Maintained on Restricted Calories1

One Figure

Bradley T. Scheer, Dorothy F. Soule, Max Fields and H. J. Deuel, Jr.

Department of Biochemistry and Nutrition, University of Southern California School of Medicine, Los Angeles

During a period of severely restricted feedings, weanling rats receiving isocaloric amounts of diets varying in fat content grow better on diets containing fat than on a similar diet lacking fat. Mortality, from uncertain causes, was highest on the diet with 5% fat. During a recovery period of ad libitum feeding, growth, fertility, and lactation were better supported by diets with liberal amounts of fat than by a fat-free diet.

1 The subject matter of this paper has been undertaken in cooperation with the Committee on Food Research of the Quartermaster Food and Container Institute for the Armed Forces. The opinions or conclusions contained in this report are those of the authors. They are not to be construed as necessarily reflecting the views or indorsement of the War Department.

We are indebted to Merck and Co., Rahway, N. J., for the synthetic B vitamins; to the Winthrop Chemical Co., Albany, N. Y., for the crystalline vitamin D2 and to Lederle Laboratories, Inc., for the folic acid.

Manuscript received 27 November 1946.




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