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The tryptophan requirement of the kitten

Published online by Cambridge University Press:  09 March 2007

Diane M. Hargrove ,
Quinton R. Rogers  and
James G. Morris
Diane M. Hargrove
Affiliation:
Departments of Physiological Sciences and Animal Sciences, University of California, Davis, California 95616, USA
Quinton R. Rogers
Affiliation:
Departments of Physiological Sciences and Animal Sciences, University of California, Davis, California 95616, USA
James G. Morris
Affiliation:
Departments of Physiological Sciences and Animal Sciences, University of California, Davis, California 95616, USA
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Abstract

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1. To estimate the tryptophan requirement of the kitten, six male and six female kittens were presented diets containing 0·7, 0·9, 1·1, 1·3, 1·5 and 3·0 g tryptophan/kg diet for six experimental periods lasting 10 d in accordance with a 6 × 6 balanced Latin-square design.

2. Mean daily weight gain and nitrogen retention (N intake minus urinary and faecal N) plateaued at 1·1 g tryptophan/kg diet indicating that the minimal tryptophan requirement of the kitten was 1·1 g/kg diet.

3. Plasma tryptophan concentration exhibited a marked increase at dietary tryptophan concentrations above 1·3 g/kg diet.

Type
Papers on General Nutrition
Information
British Journal of Nutrition , Volume 50 , Issue 2 , September 1983 , pp. 487 - 493
Copyright
Copyright © The Nutrition Society 1983

References

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