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Table 4 Mean and standard deviation for eggshell quality

From: The influences of SE infection on layers’ production performance, egg quality and blood biochemical indicators

Trait Controls Experiments
Laying rate, % 82.44 ± 4.45 82.19 ± 4.12
Egg weight, g 41.79 ± 3.47 42.54 ± 3.69
Egg thickness, mm 0.314 ± 0.024 0.308 ± 0.023
Eggshell strength, kg/cm2 3.325 ± 0.570 3.174 ± 0.561
Eggshell weight, g 4.76 ± 0.37 4.72 ± 0.45
Eggshell ratio, % 11.53 ± 0.84a 11.15 ± 0.67b
  1. a,bMeans in same row with lacking a common superscript differ significantly (P < 0.05).