Table 3.

Albumen and yolk quality parameters.

Breed	Housing system	Age (weeks)	Parameter
			AP (%)	AI (%)	HU	YP (%)	YI (%)	YAR
Czech Golden Spotted hens	Cages	34	61.17	9.89	86.95	29.55	47.15	0.49
		42	59.93	8.92	82.48	30.66	44.68	0.51
		50	58.81	7.57	77.95	32.01	43.86	0.55
	Litter	34	60.93	8.57	83.15	29.49	46.66	0.49
		42	59.42	8.18	79.10	30.80	43.57	0.52
		50	58.23	6.99	74.88	31.84	43.42	0.55
Oravka hens	Cages	34	60.27	9.62	85.78	30.26	47.14	0.50
		42	58.54	9.13	82.84	31.96	44.59	0.55
		50	57.97	7.34	76.89	32.46	42.39	0.56
	Litter	34	60.99	10.43	88.07	29.56	48.12	0.49
		42	60.01	10.11	85.63	30.75	44.52	0.51
		50	58.63	9.59	84.02	31.65	43.98	0.54
P-value	B		0.2678	0.0001	0.0001	0.1834	0.4124	0.1648
	HS		0.4155	0.3465	0.3465	0.1039	0.7766	0.1520
	A		0.0001	0.0001	0.0001	0.0001	0.0001	0.0001
	B × HS		0.0255	0.0001	0.0001	0.1261	0.0078	0.0652
	B × A		0.9618	0.7883	0.7883	0.8013	0.2136	0.8875
	HS × A		0.8615	0.1918	0.1918	0.9750	0.2567	0.9291
	B × HS × A		0.7818	0.6863	0.6863	0.8435	0.7956	0.7555
SEM			0.157	0.129	0.129	0.145	0.163	0.004

P-value ≤ 0.05 means significant effect of concrete parameter.

Abbreviations: A, age; AI, albumen index; AP, albumen proportion; B, breed; HS, housing system; HU, Haugh units; YAR, yolk-to-albumen ratio; YI, yolk index; YP, yolk proportion.