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Journal of Nutrition Vol. 101 No. 3 March 1971, pp. 331-335
Copyright © 1971 by American Society for Nutrition
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Open Field Studies in Offspring of Underfed Mother Rats1

M. Simonson, J. K. Stephan, H. M. Hanson and B. F. Chow

The Johns Hopkins University School of Hygiene and Public Health, Department of Biochemistry, Baltimore, Maryland 21205

Two groups of 26-week-old male rats were given open field box tests. One group of 12 were controls; the second group of 9 were animals born of dams whose diet was restricted during gestation. After birth these animals were nursed by foster mothers who were fed ad libitum during their pregnancy and thereafter. All subject animals were fed ad libitum after weaning. The experimental group exhibited heightened emotional behavior and decreased activity. There were marked differences in all indices recorded during the experimental period of 27 trials, with major criteria (activity, time in center square, fecal boli) significantly different between groups.

1 Supported in part by Public Health Service Research Grant no. HD-02984 from the National Institute of Child Health and Human Development and by Grant-in-aid from the National Dairy Council.

Manuscript received 8 September 1970.


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D. A. Levitsky and R. H. Barnes
Nutritional and Environmental Interactions in the Behavioral Development of the Rat: Long-Term Effects
Science, April 7, 1972; 176(4030): 68 - 71.
[Abstract] [PDF]


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