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The prediction of digestibility by rumen fluid and enzymatic methods

Published online by Cambridge University Press:  05 November 2021

Peter Young ,
F. P. O'Mara ,
M. Rath  and
P. J. Caffrey
Peter Young
Affiliation:
University College Dublin, Belfield, Dublin 4, Ireland
F. P. O'Mara
Affiliation:
University College Dublin, Belfield, Dublin 4, Ireland
M. Rath
Affiliation:
University College Dublin, Belfield, Dublin 4, Ireland
P. J. Caffrey
Affiliation:
University College Dublin, Belfield, Dublin 4, Ireland
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Extract

Rumen fluid and cellulase based techniques are widely used to predict the digestibility of compound feeds and their ingredients. Recently gammanase enzymes have been added to some cellulase based techniques (Dowman, 1993; De Boever et al., 1994). Few comparisons of these techniques have involved by-product concentrate ingredients. The objective of this experiment was to compare the ability of three techniques, in vitro rumen fluid (RF), pepsin cellulase gammanase (PCG), and neutral detergent cellulase gammanase (NCDG), to predict the in vivo organic matter digestibility (OMD) of concentrate ingredients.

Type
Techniques
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 211
Copyright
Copyright © The British Society of Animal Science 1996

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References

De Boever, J. L., Cottyn, B. G., Vanacker, J. M., and Boucque, Ch. V. 1994. Anim. Feed Sci. and Tech., 47:1–18.10.1016/0377-8401(94)90155-4CrossRefGoogle Scholar
Dowman, M.G. 1993. J. Sci. Food Agric. 61:327–331.10.1002/jsfa.2740610306CrossRefGoogle Scholar