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Rates of production of methane in the rumen and large intestine of sheep

Published online by Cambridge University Press:  09 March 2007

R. M. Murray
Affiliation:
Department of Biochemistry and Nutrition, School of Rural Science, University of New England, Armidale, New South Wales 2351, Australia
A. M. Bryant
Affiliation:
Department of Biochemistry and Nutrition, School of Rural Science, University of New England, Armidale, New South Wales 2351, Australia
R. A. Leng
Affiliation:
Department of Biochemistry and Nutrition, School of Rural Science, University of New England, Armidale, New South Wales 2351, Australia
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Abstract

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1. An isotope tracer method for estimating methane production in sheep is described.

2. The technique was used to estimate methane produced in both the upper and lower digestive tract and to determine the routes by which it was excreted.

3. Four Merino ewes given lucerne chaff (33 g every hour) were used.

4. Total methane production rate was 21±1.1 (se) ml/min; production in the rumen accounted for 87±1.2% of the total production; 95±1.4% of the methane produced in the rumen was excreted by eructation.

5. Of the methane produced in the lower digestive tract, 89±2.3% was excreted through the lungs and 11% through the anus.

Type
Papers on General Nutrition
Copyright
Copyright © The Nutrition Society 1976

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