Table 6.

Egg quality of breeder hens.

Items	CON	CHMs	SEM	Value of p
Egg shape index	1.33	1.31	0.010	0.534
Eggshell thickness, mm	0.32	0.32	0.004	0.937
Eggshell strength, kg/cm2	3.76	4.30*	0.121	0.023
Eggshell ratio, %	13.11	13.20	0.248	0.850
Albumen height, mm	2.51	3.21**	0.139	0.009
Yolk colour	5.38	5.88	0.205	0.227
Haugh unit	48.07	56.42*	1.732	0.013
Yolk percentage, %	32.47	32.88	0.713	0.695

*Significant differences in comparison with the CON group are expressed as *p < 0.05 and **p < 0.01 (n = 12).