. 2021 Jun 12;100(9):101328. doi: 10.1016/j.psj.2021.101328

Table 6.

Effects of providing different colored LED lights during incubation on cloaca temperature (°C) at 36 h posthatch in broiler chickens.

Light	n¹	Male	Female	Average
Dark	7	39.7 ± 0.04	39.8 ± 0.04	39.7 ± 0.03^b
White	8	39.8 ± 0.04	40.0 ± 0.04	39.9 ± 0.03^a
Red	8	39.8 ± 0.04	40.0 ± 0.04	39.9 ± 0.03^a
Blue	8	39.9 ± 0.04	39.9 ± 0.04	39.9 ± 0.03^a

Average		39.8 ± 0.02^y	39.9 ± 0.02^x

Effect		ANOVA P-value

Lighting (L)		0.001
Gender (G)		<0.0001
L x G		0.171
Block		<0.0001

Number of experimental units. Experimental unit = 3 pens of birds hatched from the same incubator.

^a,bMeans within a column with different letters differ significantly according to Tukey-Kramer test (α = 0.05).

^x,yMeans within a row with different letters differ significantly according to Tukey-Kramer test (α = 0.05).