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Table 3 Analyzed and calculated chemical composition and digestibility of nutrients of the experimental diets (DK, VN and TH)

From: Models to quantify excretion of dry matter, nitrogen, phosphorus and carbon in growing pigs fed regional diets

  Analyzed/Estimated ( in vivo) Calculated from feedstuff tables1   
  DK VN TH DK VN TH Deviation2 RMSEP3
Chemical composition, % DM         
Dry matter, % 90.1 91.5 90.0 86 89 87 3.2 0.5
Ash 5.0 5.9 5.7 5.7 6.2 6.6 -0.6 0.2
Crude Protein (N × 6.25) 17.5 19.6 23.8 17.5 19.3 22.6 0.5 0.4
Crude fat 3.1 13.3 5.6 2.4 12.5 4.0 1.0 0.3
Starch and sugar 56.2 32.6 48.2 54.7 35.8 48.5 -0.7 1.4
Total dietary fibre 18.3 28.6 16.7 16.9 27.5 15.0 1.4 0.2
Crude fibre 4.2 9.8 3.7 4.1 9.4 3.4 0.3 0.1
Phosphorus 0.57 0.52 0.77 0.64 0.55 0.77 -0.06 0.02
Total digestibility, %         
Dry Matter (DM) 85 73 85 82 71 82 2.3 0.4
Organic Matter (OM) 86 74 86 86 75 87 -0.9 0.4
Carbon 85 73 84 844 72 85 0.1 0.6
Protein 81 73 80 83 76 82 -2.6 0.3
  1. DM Dry matter, DK Danish diet, VN Vietnamese diet, TH Thai diet.
  2. 1Bach Knudsen [19], Just et al. [25], NRC [26] Vils and Sloth [27].
  3. 2Deviations, systematic difference between the calculated using table values and the experimental estimated value.
  4. 3RMSEP, root mean square error of prediction.
  5. 4Carbon digestibility calculated by the equation: dcCarbon (%) = -12.15 +1.117 dcOM (%), using data from Jørgensen [28].