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Table 1 Descriptive statistics for chicken egg weight and eggshell traits

From: The sodium channel gene family is specifically expressed in hen uterus and associated with eggshell quality traits

Trait1 Sample number Mean SD2 Minimum Maximum
EW (g) 319 55.68 3.81 44.30 68.05
ESW (g) 294 7.47 0.76 4.60 9.89
ESP (%) 294 13.96 1.27 9.83 18.54
ESS (Kg/cm3) 314 3.07 0.62 1.28 4.65
EST (mm) 313 0.32 0.02 0.25 0.37
  1. 1EW = Egg Weight; ESW = Eggshell Weight; ESP = Eggshell Percentage; ESS = Eggshell Strength.
  2. EST = Eggshell Thickness; % indicates these traits relative to EW.
  3. 2SD = standard deviation.