Table 2.

Effect of 2 eggshell temperatures (EST; 37.8°C, 38.9°C) applied during week 2 and 2 EST (36.7°C, 37.8°C) during week 3 of incubation on broiler temperature preference (°C) at day 1 and day 7 posthatch.

Item	n1	Day 1	Day 7
EST week 2
37.8°C	32	33.9	27.4
38.9°C	32	33.4	27.2
SEM		0.6	0.2
EST week 3
36.7°C	32	34.4	27.4
37.8°C	32	33.0	27.2
SEM		0.6	0.2
EST week 2 × EST week 3
37.8°C × 36.7°C	16	35.1	27.3
37.8°C × 37.8°C	16	32.7	27.6
38.9°C × 36.7°C	16	33.6	27.5
38.9°C × 37.8°C	16	33.2	26.8
SEM		0.8	0.3
P-value
week 2		0.53	0.32
week 3		0.09	0.37
week 2 × week 3		0.26	0.09

¹Number of broilers, 50:50 sex ratio.