Table 2.

Mean hen-day egg production (%) from the 19th to the 48th wk of age at different cage floors¹ subjected to the linear LED strip and conventional LED lamp lighting systems.²

Systems (S)1-floor (F)2	Age (A)
	Period 1				Period 2
	19–27	19–21	22–24	25–27	28–48	28–30	31–33	34–36	37–39	40–42	43–45	46–48
LS-F1	55.0	26.6	59.5	78.8	92.8a	92.3	91.7a	92.7	94.4	94.2	92.8	91.4
LL-F1	57.3	22.9	63.6	85.4	90.1b	90.2	86.3b	88.0	91.4	91.7	91.8	91.1
LS-F2	58.9	27.1	66.7	82.8	89.9	92.8	84.3	88.6	90.9	92.6	90.7	89.4
LL-F2	55.7	21.5	62.8	82.7	89.4	93.3	87.6	86.8	90.2	91.4	89.4	87.2
LS-F3	52.9	19.2	61.2	78.4	92.0	94.6	89.9	91.4	94.0	92.3	91.1	90.4
LL-F3	53.8	23.3	57.1	80.9	91.0	93.7	88.4	91.0	92.8	90.7	90.4	89.7
LS-F4	59.8	22.4	72.6	84.3	91.7	93.1	89.0	90.8	92.3	91.9	92.7	91.8
LL-F4	61.5	29.2	70.9	84.6	92.0	93.9	90.9	92.5	93.4	92.0	91.8	89.9
LS-F5	62.0	26.9	75.1	84.1	93.2a	96.1	93.3a	91.8	92.3	91.7	94.1	93.0a
LL-F5	62.3	29.4	70.3	87.2	90.8b	92.5	89.3b	90.5	92.4	90.7	90.8	89.6b
SEM	2.02	4.69	2.74	2.33	0.87	1.47	1.48	1.16	1.37	1.08	0.92	0.95
P-value
S	0.759	-	-	-	0.000	0.154	0.022	0.171	0.131	0.055	0.155	0.001
F	0.032	-	-	-	0.394	0.269	0.263	0.194	0.613	0.738	0.222	0.255
A	0.001	-	-	-	0.011	-	-	-	-	-	-	-
S × F	0.143	-	-	-	0.000	0.312	0.002	0.042	0.142	0.625	0.417	0.036
S × A	0.380	-	-	-	0.838	-	-	-	-	-	-	-
S × F × A	0.069	-	-	-	0.002	-	-	-	-	-	-	-

^a,bMeans followed by different letters, at each floor and in the same column, differ significantly by Tukey test at P < 0.05.

Mean ± SEM. Period 1 (19–27) n = 6. Period 2 (28–48) n = 14. Subperiods n = 2.

Abbreviation: LED, light-emitting diode.

¹F1 = cage floor 1. F2 = cage floor 2. F3 = cage floor 3. F4 = cage floor 4. F5 = cage floor 5.

²LS = LED strip. LL = LED lamp.