. 2023 Dec 5;24:738. doi: 10.1186/s12864-023-09828-x

Table 1.

Eggshell quality test results

Items			Normal egg group (n = 15)	Freckled areas in the freckled egg group (n = 15)	Background parts of the freckled egg group (n = 15)
Eggshell color	blunt pole	L-value	58.72 ± 0.64^a	51.04 ± 0.52^b	58.19 ± 0.73^a
		a-value	18.59 ± 0.17^b	20.14 ± 0.26^a	17.95 ± 0.16^c
		b-value	28.57 ± 0.22^a	27.25 ± 0.33^b	28.67 ± 0.33^a
	equator	L-value	59.95 ± 0.89^a	52.35 ± 0.67^c	58.77 ± 0.76^b
		a-value	18.44 ± 0.17^b	20.02 ± 0.21^a	18.50 ± 0.13^b
		b-value	28.48 ± 0.20^a	26.94 ± 0.28^b	28.78 ± 0.21^a
	sharp pole	L-value	60.13 ± 0.84^a	52.11 ± 0.52^b	58.67 ± 0.76^a
		a-value	18.58 ± 0.16^b	19.68 ± 0.20^a	18.53 ± 0.15^b
		b-value	28.61 ± 0.22^a	26.90 ± 0.31^b	28.9 ± 0.21^a
Eggshell thickness	blunt pole		0.41 ± 0.00^b	0.44 ± 0.01^a	0.42 ± 0.01^b
	equator		0.43 ± 0.00	0.44 ± 0.01	0.43 ± 0.01
	sharp pole		0.44 ± 0.00	0.45 ± 0.00	0.43 ± 0.01
Transverse diameter of an egg			44.59 ± 0.23	44.58 ± 0.33
Longitudinal diameter of an egg			58.16 ± 0.51	57.78 ± 0.94

Means with different superscripts within the same row are significantly different (P < 0.05)