SHORT COMMUNICATION
Comparison of the in situ technique and the gas production
technique in mimicking rumen dry matter degradation
1
INRA, Centre de Clermont-Ferrand-Theix, Unité de Recherches sur les Herbivores,
63122 Saint-Genès Champanelle, France
2
Wageningen Institute of Animal Sciences,
P.O. Box 338, NL-6700 AH Wageningen, The Netherlands
3
Animal Sciences Group of Wageningen UR, Nutrition and Food,
P.O. Box 65, NL-8200 AB Lelystad, The Netherlands
Publication date: 2004-08-30
Corresponding author
J. M. J. Gosselink
INRA, Centre de Clermont-Ferrand-Theix, Unité de Recherches sur les Herbivores, 63122 Saint-Genès Champanelle, France
INRA, Centre de Clermont-Ferrand-Theix, Unité de Recherches sur les Herbivores, 63122 Saint-Genès Champanelle, France
J. Anim. Feed Sci. 2004;13(Suppl. 1):79-82
KEYWORDS
ABSTRACT
The objective of this study was to compare the dry matter degradability of forages as determined
with the in situ nylon bag technique and the gas production technique. The effective degradable DM
measured with the in situ technique (situ DDM) was well related with the gas production after 20 h,
when situ DDM was calculated with a passage rate equal to the degradation rate. The degradation
rate obtained with the in situ technique was moderately related with the time at which 50% of the
maximal gas production was reached in the second phase of the gas production technique.
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| ISSN: | 1230-1388 |
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