Skip to main content
. 2009 Aug 28;45(2):185–192. doi: 10.3164/jcbn.09-18

Table 4.

Nitrogen intake, urinary and fecal nitrogen excretion, and nitrogen balance on the day before (Day –1) and last 3 days (Days 14–16) of the study

Day -1 Day 14 Day 15 Day 16
Nitrogen intake, g/day C 0.987 (0.082) 1.116 (0.200)a 1.125 (0.108)a 1.069 (0.151)a
R 0.979 (0.066) 0 (0)c 0 (0)c 0 (0)c
S 1.013 (0.081) 0.547 (0.039)b 0.583 (0.045)b 0.632 (0.037)b
Urinary nitrogen excretion, g/day C 0.478 (0.049) 0.610 (0.089)a 0.666 (0.065)a 0.653 (0.109)a
R 0.417 (0.099) 0.312 (0.025)c 0.268 (0.028)c 0.227 (0.040)c
S 0.525 (0.227) 0.394 (0.020)b 0.428 (0.033)b 0.436 (0.030)b
Fecal nitrogen excretion, g/day C 0.125 (0.031) 0.194 (0.037)a 0.187 (0.033)a 0.200 (0.034)a
R 0.170 (0.028) 0.101 (0.028)b 0.024 (0.020)c 0.012 (0.008)c
S 0.149 (0.027) 0.092 (0.031)b 0.114 (0.021)b 0.105 (0.013)b
Nitrogen balance, g/day 1 C 0.383 (0.072) 0.312 (0.091)a 0.272 (0.082)a 0.216 (0.038)a
R 0.392 (0.106) −0.413 (0.035)c −0.291 (0.038)c −0.239 (0.037)c
S 0.339 (0.168) 0.061 (0.028)b 0.041 (0.022)b 0.090 (0.017)b

Values are means (SD) for 5 rats. 1Nitrogen balance = (nitrogen intake) – (urinary and fecal nitrogen excretion). Means in a column without common superscripts differ, p<0.05.