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Journal of Nutrition Vol. 29 No. 5 May 1945, pp. 309-316
Copyright © 1945 by American Society for Nutrition
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Studies on the Comparative Nutritive Value of Fats

VI. Growth and Reproduction Over Ten Generations on Sherman Diet B Where Butterfat was Replaced by a Margarine Fat1

Two Figures

Harry J. Deuel, Jr., Lois F. Hallman, Eli Movitt and Evelyn Brown

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

Experiments are reported on reproduction and growth rate of ten generations in which the lineage is through the first litter and of eight generations in which the lineage is through the second litters where the diets have been a modification of the Sherman diet B in which butterfat has been replaced by vitamin A-fortified margarine fat. The growth rate considerably exceeded that obtained with animals on our stock diet and progressively improved with the later generations. Somewhat faster growth was obtained with the first litter rats than with those in the second litter group. It is concluded that a vegetable fat such as that contained in a margarine can serve adequately in place of butterfat for growth and reproduction on a diet otherwise nutritionally satisfactory.

1 This work was carried out under a research grant from The Best Foods, Inc. The authors wish to acknowledge the helpful advice of Prof. Anton J. Carlson of the University of Chicago, of Prof. Arthur W. Thomas of Columbia University, and of Dr. H. W. Vahlteich of The Best Foods, Inc., during the course of the experiments.

Manuscript received 30 October 1944.




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