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. 2020 Nov 5;100(2):675–684. doi: 10.1016/j.psj.2020.10.043

Table 2.

Egg components and several egg quality parameters of laying hens fed with a diet supplemented with SL-CaNps powder.

Experimental diets	Parameters
Experimental diets	Egg weight, g	Shell weight, %	Shell thickness, mm	SWUSA, mg/cm²	Egg shape index, %
Control	73.98^c	10.99^b	0.30^c	63.29^c	81.69
0.50 g SL-CaNps powder/kg diet	77.20^b	14.98^a	0.44^b	71.27^b	82.68
1.0 g SL-CaNps powder/kg diet	79.74^a	15.40^a	0.46^a	72.12^a,b	83.23
1.5 g SL-CaNps powder/kg diet	79.51^a	15.52^a	0.46^a	73.15^a	83.45
SEM	0.351	0.652	0.005	0.453	0.873
P value	0.0001	0.0006	0.0001	0.0001	0.505

^a–cMeans in the same row having different superscripts differ significantly at P ≤ 0.05.

Abbreviation: SWUSA, shell weight per unit surface area.