Table-2.

Effect of thermal manipulation (TM) during embryogenesis on the hatchability rates of broiler chickens

	Control	TML	TMH
Total eggs	263	337	328
Hatched on ID 20 (hatchability %)	81 (31)a	14 (4)b	209 (64)c
Hatched on ID 21 (hatchability %)	164 (62)a	100 (30)b	92 (28)b
Hatched on ID 22 (hatchability %)	0 (0)a	203 (60)b	0 (0)a
Total hatched	245	317	301
Hatchability %	93.16	94.07	91.77

^a-cwithin the same row, values with different superscripts indicate significant differences (P<0.05). ID: incubation day