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Effect of sample preparation when evaluating feed degradability using dacron bags

Published online by Cambridge University Press:  05 November 2021

H.J. Kim ,
M.S. Dhanoa ,
W.J. Maeng ,
M.A. Neville ,
R.T. Evans ,
A.B. McAllan  and
N.D. Scollan
H.J. Kim
Affiliation:
Department of Feed & Nutritional Science, ARRC, University of Kon-Kuk, Seoul, 133-701, Republic of Korea
M.S. Dhanoa
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystywth, SY23 3EB, United Kingdom
W.J. Maeng
Affiliation:
Department of Feed & Nutritional Science, ARRC, University of Kon-Kuk, Seoul, 133-701, Republic of Korea
M.A. Neville
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystywth, SY23 3EB, United Kingdom
R.T. Evans
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystywth, SY23 3EB, United Kingdom
A.B. McAllan
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystywth, SY23 3EB, United Kingdom
N.D. Scollan
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystywth, SY23 3EB, United Kingdom
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Extract

In dacron bag methodology an important measurement is the wash value component. This component is assumed to be wholly degrabable and forms a major proportion of effective degradability calculations (Cockburn et al., 1993). Grinding of feeds with a high content of solubles or fine particles may result in high initial wash-out values and may affect feed degradability adversely. An experiment, was conducted to assess the effect of grinding on dry matter (DM) degradation of maize and wheat, using the in situ dacron bag technique.

Type
Techniques
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 229
Copyright
Copyright © The British Society of Animal Science 1996

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References

Cockburn, J.E., Dhanoa, M.S. and France, J. 1993. Overestimation of solubility by polester bag methodology. Animal Production, 56 (3), 466–467.Google Scholar