Table 1. Comparison of differences in egg productivity according to rearing facilities for laying hens

Item	DCC	FC	SEM1	P-values
Body weight, g	1,874.6	1,960.0	9.021	<0.01
Egg production, %	95.53	88.73	1.718	<0.05
Egg weight, g	64.78	64.22	0.304	0.419
Egg mass, g/hen/day	61.88	57.12	1.145	<0.05
Feed intake, g/hen/day	114.66	119.61	1.376	0.069
FCR, g feed/g egg	1.857	2.108	0.053	<0.01
Mortality, %	2.00	10.00	2.719	0.149

SEM, standard error of means.
DCC, density enhanced conventional battery cage; FC, furnished cage; FCR, feed conversion ratio.