Results of a mechanistic model estimating methane in relation to methane emissions measured in dairy cowsHindrichsen, I. K., Mills, J. A. N., Madsen, J., Kreuzer, M. and Dijkstra, J. (2004) Results of a mechanistic model estimating methane in relation to methane emissions measured in dairy cows. Journal of Animal and Feed Sciences, 13. pp. 99-102. ISSN 1230-1388 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. Abstract/SummaryThis investigation determines the accuracy of estimation of methanogenesis by a dynamic mechanistic model with real data determined in a respiration trial, where cows were fed a wide range of different carbohydrates included in the concentrates. The model was able to predict ECM (Energy corrected milk) very well, while the NDF digestibility of fibrous feed was less well predicted. Methane emissions were predicted quite well, with the exception of one diet containing wheat. The mechanistic model is therefore a helpful tool to estimate methanogenesis based on chemical analysis and dry matter intake, but the prediction can still be improved.
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