Table 2. Hatch time, body weight at hatch, hatch of fertile, and percentage females (as a measure of sex distribution) for broiler eggs and chickens incubated under continuous light (24L), 16h of light, followed by 8h of darkness (16L:8D), or continuous darkness (24D).

	n1	Hatch time (h)	n2	Body weight (g)	Hatch of fertile (%)	Females (%)
24L	235	497.9a	198	46.5b	85.7	46.5
16L:8D	235	496.1b	212	46.6b	89.8	51.9
24D	235	498.5a	217	47.1a	91.2	47.5
SEM		0.41		0.10
P-value		<0.001		<0.001	0.15	0.50

¹ Egg was the experimental unit.

² Chicken was the experimental unit.

^a,b Values within a column with different superscripts differ significantly at P≤0.05.