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Table 3 Recovery in the lumen of the gastro-intestinal compartments, digestibility and losses of dietary nitrogen in rats 5 h after the meal

From: Rapeseed and milk protein exhibit a similar overall nutritional value but marked difference in postprandial regional nitrogen utilization in rats

  Acute Chronic  
Dietary nitrogen MPI RPI MPI RPI  
(% of ingested) in: Mean SD Mean SD Mean SD Mean SD Stat effecta
Stomach 5.23 4.59 3.02 2.14 5.28 5.48 5.32 4.83 NS
Intestine 1.62ab 0.51 2.18a 0.23 1.32b 0.13 2.32a 0.75 PS: P < 0.001
Cecum 2.08 0.47 1.61 0.50 2.20 1.11 1.92 0.38 NS
Proximal colon 0.67 0.49 0.56 0.31 0.21 0.16 0.40 0.18 A: P < 0.05
Distal colon 0.15 0.20 0.41 0.46 0.28 0.52 0.21 0.24 NS
Digestives losses b 2.9 0.7 2.6 0.6 2.7 1.2 2.5 0.5 NS
Ileal digestibility c 95.2 1.0 95.1 0.5 95.8 1.1 94.9 1.1 NS
Deamination d 11.4 1.7 11.7 3.2 13.2 2.9 14.1 5.0 NS
Total losses 14.4 1.9 14.2 3.3 15.9 2.7 16.6 5.3 NS
  1. NS: not significant, PS: protein source, A: adaptation. aTwo way ANOVA; b Recovery in cecum and colon content at 5 h (% of ingested N); cReal ileal digestibility (see Material and methods); d Recovery in body and urinary urea. Means within a row with different letters are significantly different (P < 0.05, Tukey post-hoc test)
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