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Towards a continuous culture (Rusitec) model of rumen acidosis: effects of buffer concentration, non-protein nitrogen and concentrate level on pH and feed degradation

Published online by Cambridge University Press:  20 November 2017

C.U. Haubi
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading, RG6 6AT, UK
F.L. Mould
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading, RG6 6AT, UK
C. K. Reynolds
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading, RG6 6AT, UK
E. Owen
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading, RG6 6AT, UK
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Extract

Rumen acidosis is a problem in many production systems where readily fermentable concentrates are fed. Although acidosis is more common as a subclinical condition that can impair fibre digestion, numerous factors can precipitate the clinical disorder. The objective of the present study was to begin development of a model of acidosis using a rumen simulation technique (Rusitec) and continuous pH monitoring for subsequent evaluation of contributing factors. In the present report the effect of reduced buffer concentration, non-protein nitrogen (NPN) addition and method of NPN provision on pH and feed dry matter disappearance were examined.

Type
Poster Presentations
Copyright
Copyright © The British Society of Animal Science 2001

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