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The impact of hexose partitioning in sheep in vivo

Published online by Cambridge University Press:  20 November 2017

A. R. Moss ,
C. J. Newbold  and
D.I. Givens
A. R. Moss
Affiliation:
ADAS Nutritional Sciences Research Unit, Alcester Road, Stratford upon-Avon, CV37 9RQ, UK
C. J. Newbold
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen, AB21 9SB, UK
D.I. Givens
Affiliation:
ADAS Nutritional Sciences Research Unit, Alcester Road, Stratford upon-Avon, CV37 9RQ, UK
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Extract

Methane production represents an important sink for hydrogen within the rumen Beever (1993) suggested that the partitioning of fermentable dry matter (DM) between microbial synthesis and fermentation products would alter the pattern of hydrogen production and hence methanogenesis. This hypothesis was investigated in vitro using a range of diets varying in carbohydrate source (Moss et al., 2000). Methane production (moles) increased as the proportion of DM fermented to short chain fatty acids (SCFA) increased and this was related to decreasing water soluble carbohydrate (WSC) to cell wall (NDF) ratio of the diet. The objectives of the current study was to design diets with a range of WSC:NDF ratios and to measure the impact on hexose partitioning and methane production in sheep in vivo.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2001 , 2001 , pp. 157
Copyright
Copyright © The British Society of Animal Science 2001

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References

Beever, D. E., 1993. Rumen Function. In: Quantitative Aspects of Ruminant Digestion and Metabolism (Eds. Forbes, J. M. and France, J.). C.A.B. International, Wallingford, Oxon. Pp. 187–215.Google Scholar
Moss, A. R. and Newbold, C. J., 2000. The impact of hexose partitioning on methane production in vitro . Proceedings of the 2nd joint INRA-RRI Gastrointestinal Tract Microbiology Symposium, Clermont-Ferrand, France.Google Scholar