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. 2014 Feb;27(2):161–168. doi: 10.5713/ajas.2013.13338

Table 2.

Nutrient intakes and nitrogen balance in lambs fed diets differing in C:F and level of UDP

Item C:F 40:60 C:F 60:40 SEM p-value



High UDP Low UDP High UDP Low UDP C:F UDP C:F×UDP
Intake (g/d)
 DM 1490.1 1615.5 1426.0 1541.2 152.8 0.90 0.003 0.34
 OM 1395.8 1501.0 1349.3 1460.3 143.0 0.82 0.002 0.27
N balance (g/d)
 N intake 25.0 27.6 24.2 26.6 2.17 0.17 0.005 0.22
 Fecal N 10.3 11.7 10.1 11.1 1.09 0.19 0.46 0.27
 Urinary N 10.7 13.0 6.50 7.52 1.00 0.014 0.045 0.45
 N retention 4.2 3.1 7.8 7.9 1.99 0.008 0.75 0.52
 N retention/N intake (%) 16.8 11.2 32.3 29.5 4.27 0.018 0.030 0.41