Table 1. Effects of different bedding materials on the growth performance of White Pekin ducks¹⁾

Variable	Cocopeat	Rice husks	Sawdust	SEM²⁾	p-value³⁾
Body weight (g)
Day 1	60.48	60.44	60.39	0.163	0.973
Day 7	277.89	302.13	298.31	5.938	0.206
Day 14	803.91	849.12	827.72	9.751	0.169
Day 21	1,409.23	1,439.91	1,404.44	11.902	0.437
Day 28	2,175.28	2,250.71	2,168.58	26.013	0.375
Day 35	3,189.68	3,263.10	3,181.57	22.435	0.273
Day 42	3,781.75^a	3,964.15^b	3,828.14^ab	32.327	0.049
Average daily gain (g/d)
Day 7	31.06	34.52	33.98	0.848	0.206
Day 14	75.14	78.14	75.63	1.000	0.441
Day 21	86.47	84.40	82.39	1.463	0.543
Day 28	109.44	115.83	109.16	2.881	0.586
Day 35	169.07	168.73	168.83	3.296	0.999
Day 42	84.58	100.15	92.37	3.800	0.256
Day 1–21	64.23	65.69	64.00	0.567	0.437
Day 22–42	112.98	120.20	115.41	1.470	0.123
Day 1–42	88.60^a	92.94^b	89.71^ab	0.770	0.049
Average daily feed intake (g/d)
Day 7	36.00	37.31	36.11	0.994	0.667
Day 14	106.36	107.05	106.57	0.123	0.738
Day 21	155.28	156.77	153.06	0.868	0.221
Day 28	237.98	231.80	233.17	2.928	0.683
Day 35	383.23	388.73	370.06	2.039	0.431
Day 42	246.32	262.69	253.92	4.109	0.092
Day 1–21	95.88	100.37	97.25	0.699	0.109
Day 22–42	269.18^a	289.07^b	270.72^a	5.879	0.007
Day 1–42	180.53^a	195.72^b	188.48^ab	3.936	0.037
Feed conversion ratio (g/g)
Day 7	0.98	0.93	0.94	0.014	0.341
Day 14	1.34	1.37	1.36	0.013	0.560
Day 21	1.80	1.88	1.86	0.026	0.449
Day 28	2.19	2.03	2.16	0.044	0.301
Day 35	2.66^b	2.31^a	2.56^ab	0.060	0.036
Day 42	3.46	2.59	2.84	0.165	0.077
Day 1–21	1.49	1.53	1.52	0.012	0.422
Day 22–42	2.67^b	2.26^a	2.48^ab	0.058	0.008
Day 1–42	2.24^b	2.00^a	2.14^ab	0.034	0.009

Values are the mean of eight replicate pens per bedding material.
Pooled standard error of the mean.
Statistical significance was determined at p < 0.05.
Means with different superscripts within the same column differ significantly.