Table 3.

Effects of dietary DDGS levels on growth performance of ducks from 11 to 42 d of age.

Item1	Dietary DDGS levels, %					SEM	P-value
	0	5	10	15	20		ANOVA	Linear	Quadratic
10 d BW, g	403.1	401.0	400.4	402.2	396.0	4.25	0.508	0.255	0.389
42 d BW, g	3,336ab	3,356a	3,283ab	3,215bc	3,132c	63.40	0.008	0.001	0.002
10–42 d ADG, g	91.67ab	92.36a	90.09ab	87.91bc	85.49c	1.97	0.009	0.001	0.002
10–42 d ADFI, g	201.0	202.9	200.8	198.3	191.8	4.51	0.146	0.027	0.028
F: G, g/g	2.20	2.20	2.23	2.26	2.24	0.04	0.509	0.159	0.356
Mortality, %	4.46	3.57	1.79	8.93	6.25	3.77	0.403	0.295	0.577

Abbreviations: BW, body weight; ADG, average day gain; ADFI, average day feed intake.

¹Values are the means of 6 replicates of 16 ducks each.

^a-cValues within a row with no common superscripts differ significantly (P < 0.05).