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The flow of endogenous nitrogen in the digestive tract of young pigs

Published online by Cambridge University Press:  09 March 2007

Jane Leibholz
Jane Leibholz
Affiliation:
Department of Animal Husbandry, University of Sydney, Camden, New South Wales 2570, Australia
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Abstract

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1. Twenty pigs were given one of five diets containing 0.9–39.2 g nitrogen/kg dry matter (DM) during the period 13–27 d of age.

2. The pigs were fed hourly, from 22–27 d of age, with a diet sprayed with an indigestible marker, 103 Ru-labelled Tris (l,10-phenanthroline)-ruthenium (II) chloride. All pigs were slaughtered at 27 d of age.

3. Flows of endogenous N estimated by feeding the diet containing 0.9 g N/kg and by regression analysis using results from all diets, were similar.

4. Flows of endogenous N were: stomach 1.8. duodenum 4.5, jejunum 4.2, ileum 3.5, caecum 2.7, large intestine 2.6 and faeces 1.7 g/kg dm intake.

5. Values are given for the flow of endogenous amino acids to the ileum.

6. Of the DM, 70% was digested anterior to the duodenum and for N the value was 10%. The percentage of N digested anterior to the jejunum was 70.

Type
Papers on General Nutrition
Information
British Journal of Nutrition , Volume 48 , Issue 3 , November 1982 , pp. 509 - 517
Copyright
Copyright © The Nutrition Society 1982

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