Table 2.
Egg quality of 43-week-old White Leghorns kept in conventional cages and floor-pens

Housing types	Egg weight (g)	Egg shell color	Albumin height (mm)	Haugh unit	York color	Egg shell thickness (mm)	Egg shell weight (g)
Cages	63.2±4.4a	68.2±3.0a	9.9±2.1a	96.9±9.9	8.0±0.7	0.35±0.03	9.2±0.8a
Floor-pens	60.6±3.9b	66.4±3.9b	9.2±1.7b	94.4±9.3	7.8±0.9	0.35±0.03	8.4±0.7b
P-values	<0.0001	0.0005	0.0137	0.0707	0.1043	0.1505	<0.0001