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Estimation of rumen degradable organic matter of forages using different techniques

  • E. R. Deaville (a1) and D. I. Givens (a1)

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The UK metabolisable protein system proposed an approach for calculating the energy (termed fermentable metabolisable energy) available for rumen microbial protein synthesis. This approach does not take into account rumen undegradable organic matter (OM; mainly protein and starch) and ignores the dynamic aspects of the value, such as rate of fermentation. The aim was to evaluate three techniques to estimate OM apparently degraded in the rumen (OMADR) of different forages.

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Cone, J. W., 1994. A new automated gas production method for the in vitro study of fermentation kinetics in rumen fluid using pressure transducers and electric gas valves. Proceedings of the Society of Nutrition Physiology (Volume 3), p. 182.
France, J., Dhanoa, M. S., Theodorou, M. K., Lister, S. J., Davies, D. R. and Isaac, D., 1993. A model to interpret gas accumulation profiles associated with in vitro degradation of ruminant feeds. J. Theor. Biol. 163:99111.
McDonald, I. M., 1981. A revised model for the estimation of protein degradability in the rumen. J. Agric. Sci. (Cambs), 96:251252.

Estimation of rumen degradable organic matter of forages using different techniques

  • E. R. Deaville (a1) and D. I. Givens (a1)

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