Table 3 The parameters of eggshell quality according to hen age
Hen age (wk)
Egg weight (g)
Eggshell thickness (mm)
Eggshell weight (g)
Eggshell density
30
62.61±1.41
0.373±0.01
6.72±0.26
b
92.05±2.71
60
63.55±2.09
0.377±0.02
7.08±0.40
a
94.20±4.43
78
63.75±2.4
0.368±0.02
7.03±0.52
a
93.16±4.71
a,b
Values (n=100) with different superscripts in the column are significantly different (p<0.05).