Table 6.

N balance as calculated through performance data (13 to 16 wks, 39 to 55 kg) using the equation ADG×0.16/6.25 = N retention

Dietary treatments	ADG (g/d)	ADFI (g/d)	N intake (g/d)	N retention (g/d)	N excretion (g/d)
193 g/kg CP, 8.2 g/kg lysine	655	1,653	51.0	16.8	34.2
184 g/kg CP, 8.3 g/kg lysine	721	1,688	49.6	18.5	31.1
169 g/kg CP, 8.3 g/kg lysine	707	1,661	44.8	18.1	26.7
156 g/kg CP, 8.0 g/kg lysine	730	1,689	42.1	18.7	23.4
143 g/kg CP, 8.2 g/kg lysine	718	1,655	37.8	18.4	19.4
192 g/kg CP, 6.4 g/kg lysine	631	1,704	52.3	16.2	36.1
179 g/kg CP, 6.6 g/kg lysine	682	1,699	48.7	17.5	31.2
167 g/kg CP, 7.1 g/kg lysine	667	1,700	45.4	17.1	28.3
153 g/kg CP, 7.4 g/kg lysine	707	1,779	43.7	18.1	25.6
144 g/kg CP, 7.0 g/kg lysine	678	1,680	38.6	17.4	21.2

n = Eight replicates/treatment. Each replicates is a pen average of 10 pigs.