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. 2018 Oct 31;38(5):1080–1091. doi: 10.5851/kosfa.2018.e41

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±0.26b 92.05±2.71
60 63.55±2.09 0.377±0.02 7.08±0.40a 94.20±4.43
78 63.75±2.4 0.368±0.02 7.03±0.52a 93.16±4.71

a,b Values (n=100) with different superscripts in the column are significantly different (p<0.05).