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The effect of chronic dietary protein-calorie deficiency on reproductive performance of rats: respiratory metabolism of ova

Published online by Cambridge University Press:  09 March 2007

B. S. Platt ,
Irene M. Barrett  and
Barbara A. Christie
B. S. Platt
Affiliation:
Department of Human Nutrition, London School of Hygiene and Tropical Medicine, Keppel Street, WC 1
Irene M. Barrett
Affiliation:
Department of Human Nutrition, London School of Hygiene and Tropical Medicine, Keppel Street, WC 1
Barbara A. Christie
Affiliation:
Department of Human Nutrition, London School of Hygiene and Tropical Medicine, Keppel Street, WC 1
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Abstract

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1. The respiration rate of ova during their early cleavage stage from two groups of rats reared on diets of NDpCal% 10 or NDpCal% 5 has been measured, using a Cartesian diver.

2. Measurements from twenty-six experiments show that the average oxygen uptake of ova from the rats reared on the diet of high protein value was 0.563±0.175 mμl O2/ovum per h and the value for rats reared on the diet of low protein value was 0.440±0.076 mμl O2/ovum per h when measurements were made in a medium containing 0.9% NaCl and rat serum or plasma (2:1). The difference between these results was significant at 0.05 > P > 0.02.

3. It is suggested that the lower respiration rate of ova from rats maintained on the diet of low protein value may be due partly to the effect of dietary protein deficiency on conditions within the Fallopian tube and partly to the eRect on the maturation of the ovum itself.

Type
Research Article
Information
British Journal of Nutrition , Volume 23 , Issue 1 , March 1969 , pp. 181 - 189
Copyright
Copyright © The Nutrition Society 1969

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