Table 4.

Nitrogen intake and utilization by sheep grazed annual pasture or native pasture (n = 20)

Item1	Annual pasture	Native pasture	SEM2	P value
N intake, g/kg BW0.75	1.20	1.53	0.027	<0.001
Fecal N, g/kg BW0.75	0.55	0.50	0.008	<0.001
Urinary N, g/kg BW0.75	0.40	0.42	0.006	0.027
N retained, g/kg BW0.75	1.71	2.75	0.027	<0.001
Fecal N/N intake, kg/kg	0.46	0.33	0.126	<0.001
Urinary N/N intake, kg/kg	0.33	0.27	0.005	<0.001
N Retained/N intake, kg/kg	0.20	0.40	0.017	<0.001

¹N, Nitrogen.

²SEM = treatment standard error of the mean.