Table 4.
Effect of laying age on hatching performance

Laying age (weeks)	Fertility (%)	Hatchability of fertile eggs (%)	Embryonic mortality (%)			Dead inshelled eggs (%)
			Early	Middle	Late
27~29	86.2±7.9b		76.2±14.0a	14.0±12.0a	1.3±2.3	5.2±4.4b	3.3±4.2b
50~52	92.9±4.4a		69.5±15.2b	9.4±6.9b	1.7±2.3	12.8±9.5a	6.6±6.3a
Means	89.5±7.2	72.9±15.0	11.7±10.0	1.5±2.3	9.0±8.3	5.0±5.6

The different superscripts within column significantly differ.