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Estimating fractional rate of NDF degradation from in vivo digestibility
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Faculty of Agricultural Sciences, University of Aarhus, Research Centre Foulum, P.O. Box 50, DK-8830 Tjele, Denmark
 
 
Publication date: 2007-09-17
 
 
Corresponding author
M. R. Weisbjerg   

Faculty of Agricultural Sciences, University of Aarhus, Research Centre Foulum, P.O. Box 50, DK-8830 Tjele, Denmark
 
 
J. Anim. Feed Sci. 2007;16(Suppl. 2):145-150
 
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ABSTRACT
Fractional rate of degradation (kd) of potential degradable NDF (dNDF) was estimated based on in situ degradation profiles. In situ values were compared to values for kd which were calculated based on in vivo NDF digestibility and dNDF concentration for 61 forage samples including both young and very mature grasses and legumes. The calculation only failed for three samples, and in situ estimates correlated reasonably well to calculated values. Calculated kd for dNDF has a large potential for use in practice as a low resource method.
ISSN:1230-1388
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