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Prediction of in vivo digestibility of forages using in vitro techniques: comparison of the two-stage Tilley & Terry method with a gas production method

Published online by Cambridge University Press:  05 November 2021

A. Pendong
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 6AT, UK
J.H.T. Barbi
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
E.R. Deaville
Affiliation:
Feed Evaluation & Nutritional Sciences, ADAS Dairy Research Centre, Stratford-upon-Avon CV37 9RQ, UK
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Extract

During the past twenty years the in vitro, two-stage digestibility method of Tilley and Terry (1963) has been widely used to predict the in vivo digestible organic matter content (DOMD) of forage dry matter. Recently in vitro gas production methods have attracted considerable research interest because of their potential to simulate the fermentation kinetics of forages in the rumen. However the potential of gas production methods to assess DOMD, as well as fermentation kinetics, has not been reported.

Type
Techniques
Copyright
Copyright © The British Society of Animal Science 1996

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References

Theodorou, M.K., Williams, B.A., Dhanoa, M.S., McAllan, A.B. and France, J., 1994. A simple gas production method using a pressure transducer to determine the fermentation kinetics of ruminant feeds. Animal Feed Science and Technology 48:185197.10.1016/0377-8401(94)90171-6CrossRefGoogle Scholar
Tilley, J.M.A. and Terry, R.A., 1963. A two-stage technique for the in vitro digestion of forage crops. J. British Grassland Society 18:104111.10.1111/j.1365-2494.1963.tb00335.xCrossRefGoogle Scholar