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Journal of Nutrition Vol. 101 No. 1 January 1971, pp. 25-28
Copyright © 1971 by American Society for Nutrition
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Effect of Coprophagy Prevention and Antibiotics on Tissue Levels of Acetylcholine in Choline-deficient Weanling Rats1

Eva Kwong and Richard H. Barnes

Graduate School of Nutrition, Cornell University, Ithaca, New York 14850

The effect of coprophagy prevention and antibiotics on acetylcholine levels of kidney, brain and small intestine in weanling rats fed choline-deficient diets was studied. It was found that 5 to 6 days of dietary choline deficiency resulted in decreased concentration of acetylcholine in kidney (64%), brain (28%) and small intestine (30%). Coprophagy prevention or the inclusion of antibiotics in the diet maintained the tissues' acetylcholine at normal or near-normal levels in the choline deficient rats. These results are similar to those which have been obtained by others in germfree rats.

1 Supported in part by funds provided through the State University of New York and by a research grant from the National Science Foundation.

Manuscript received 10 August 1970.




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