Table 3.

Average daily gain (ADG), average daily feed intake (ADFI), feed efficiency (gain:feed), body weight (BW) of weanling piglets fed diets supplemented with or without zinc and arginine.

Item1	Initial BW, kg	7 days BW, kg	14 days BW, kg	ADG, g/d		Gain:feed ratio		ADFI, g/d
				0 to 7 d	8 to 14 d	0 to 7 d	8 to 14 d	0 to 7 d	5 to 7 d	12 to 14 d	7 to 14 d
ZN0ARG0	6.93	7.78	10.60	137	431	0.389	0.836	355	540a	514	468
ZN0ARG1	7.39	7.90	10.72	107	433	0.283	0.835	358	306b	519	499
ZN2500ARG0	7.39	7.85	10.95	80	435	0.237	0.863	302	313b	507	490
ZN2500ARG1	6.81	7.52	10.42	125	437	0.358	0.865	347	490ab	505	515
SEM	0.31	0.33	0.49	30	23	0.078	0.046	26	93	10	28
Zinc	NS	NS	NS	NS	NS	NS	NS	NS	NS	NS	NS
Arginine	NS	NS	NS	NS	NS	NS	NS	NS	NS	NS	NS
Zinc × Arginine	NS	NS	NS	NS	NS	NS	NS	NS	0.019	NS	NS

^a,b Within a column, means without a common superscript differ (P < 0.05).

¹ZN0ARG0: control diet (n = 6); ZN0ARG1: control diet + 1% arginine (n = 6); ZN2500ARG0: control diet + 2,500 mg of zinc (zinc oxide) (n = 6); ZN2500ARG1: control diet + 2,500 mg of zinc (zinc oxide) + 1% arginine (n = 6).