. 2020 Jun 24;34(5):931–940. doi: 10.5713/ajas.20.0215

Table 2.

Effects of light color on the production performance of Pekin ducks

Items	Stage d	Treatment					SEM	p-value¹⁾

		White	Red	Yellow	Green	Blue
BW (g)	1	54.8	55.9	54.6	54.8	55.3	0.255	0.834
	14	635.2	626.3	660.7	661.5	633.3	8.251	0.498
	35	2,178.9	2,116.7	2,212.9	2,118.6	2,168.4	20.641	0.579
	42	2,570.5	2,450.5	2,601.8	2,509.6	2,567.4	30.038	0.901
FI (g)	1–14	887.1	852.2	912.6	898.2	857.1	14.930	0.690
	15–35	4,098.8	4,060.6	4,238.6	4,005.9	4,094.7	51.421	0.779
	36–42	1,258.9	1,122.9	1,286.3	1,266.3	1,268.8	21.038	0.082
	1–42	6,244.7	6,035.7	6,437.6	6,170.3	6,220.6	73.031	0.602
BWG (g)	1–14	580.4	570.4	606.1	606.7	577.9	9.669	0.735
	15–35	1,543.7	1,490.4	1,552.2	1,457.1	1,535.2	25.767	0.832
	36–42	391.7^a	333.9^b	388.9^a	391.0^a	399.0^a	7.207	0.01
	1–42	2,515.7	2,394.6	2,547.2	2,454.8	2,512.1	30.494	0.598
FCR	1–14	1.53	1.49	1.5	1.48	1.48	0.01	0.611
	15–35	2.66	2.73	2.74	2.77	2.67	0.025	0.635
	36–42	3.22	3.37	3.31	3.25	3.18	0.037	0.484
	1–42	2.48	2.52	2.53	2.52	2.48	0.013	0.599

SEM, standard error of the mean; BW, body weight; FI, feed intake; BWG, body weight gain; FCR, feed intake/body weight gain.

¹⁾

Comparisons among groups based on a multivariate analysis of variance.

^a,b

Different letters differ significantly within a row (p<0.05).