Table 3.

Growth performance of pigs fed diets without or with 150 mg Cu/kg (Exp. 1)¹

	Barrow		Gilt			P-value
Item	Control	Cu2	Control	Cu2	SEM	Sex	Diet	Sex × diet
BW, kg
Initial BW	7.10	7.13	6.41	6.56	1.21	0.002	0.479	0.821
d 14	7.61	8.55	7.99	8.58	2.01	0.462	0.015	0.718
d 28	12.84	16.12	15.36	15.59	3.46	0.063	0.004	0.095
ADFI, g
d 0 to 14	114	226	212	203	0.022	0.056	0.012	0.037
d 14 to 28	753	845	774	817	0.050	0.937	0.135	0.658
d 0 to 28	432	536	495	510	0.033	0.508	0.048	0.251
ADG, g
d 0 to 14	37	104	112	142	0.020	0.007	0.010	0.408
d 14 to 28	382	534	517	507	0.031	0.032	0.006	0.039
d 0 to 28	211	318	314	326	0.023	0.011	0.005	0.090
G:F
d 0 to 14	0.238	0.425	0.510	0.702	0.098	0.009	0.033	0.983
d 14 to 28	0.530	0.620	0.655	0.633	0.029	0.046	0.280	0.090
d 0 to 28	0.502	0.592	0.628	0.636	0.026	0.013	0.089	0.177

¹Data are least squares means of 10 observations for all treatments.

²Cu from Cu hydroxychloride.