. 2016 Jan 14;6:19291. doi: 10.1038/srep19291

Table 1. The egg quality of each light-treated group (44 week).

Light treatments	Egg weight (g)	shape index	Egg shell thickness, mm	Haugh unit	Egg shell strength (N)
White	51.02 ± 0.82^b	1.30 ± 0.01^b	0.28 ± 0.01^c	84.73 ± 1.38^a	37.69 ± 1.19^a
Red	52.55 ± 0.78^ab	1.31 ± 0.01^b	0.29 ± 0.01^bc	81.29 ± 1.83^ab	33.99 ± 1.22^a
Yellow	52.77 ± 0.79^ab	1.30 ± 0.01^b	0.29 ± 0.00^b	80.38 ± 1.67^ab	35.38 ± 0.88^a
Green	53.88 ± 0.88^a	1.31 ± 0.01^b	0.30 ± 0.01^ab	80.70 ± 1.66^ab	35.96 ± 0.99^a
Blue	53.35 ± 0.88^ab	1.30 ± 0.01^b	0.31 ± 0.01^a	81.24 ± 1.73^ab	35.38 ± 1.28^a

Values are described as the mean values ± SD.^a,b,cThe mean values in a column without a common superscript exhibited significant differences (P < 0.05).