Bag Technique MBT

Method 10.2. Determination of digestibiiity using the mobiie bag technique 

Data analysis. The data may be analysed using the techniques presented by 0rskov and McDonald (1979) or Dhanoa (1988). The former authors suggested fitting the rate of disappearance (p) of DM, CP, NDF, etc., to an equation of the form  

The effective degradability, or effective percentage degradation (ED), becomes  

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The in situ mobile bag technique (MBT) is commonly used to estimate intestinal digestibility of RUP and AA in rurriiiiants (NRC, 2001 DSTRA, 2007). It was originally introduced to measure protein digestibility in pigs (Sauer etal., 983) but was modified to study postruminal digestion of feedstuffs by ruminants (Hvelplund, 1985). The MBT in ruminants starts with an in situ ruminal incubation of... 

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