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. 2022 Sep 2;9:953564. doi: 10.3389/fvets.2022.953564

Table 2.

Egg productive performance and quality.

Items CG FA SEM P -value
Productive performance
Egg production rate, % 81.92 ± 5.28 83.37 ± 4.38 1.21 0.59
Egg weight, g 60.79 ± 0.29 61.08 ± 0.16 0.06 0.03
Feed-to-egg ratio, g:g 2.03 ± 0.14 1.94 ± 0.11 0.32 0.27
Egg breaking rate, % 0.65 ± 0.15 0.42 ± 0.12 0.35 <0.01
Egg quality
Egg shape index 1.31 ± 0.01 1.30 ± 0.02 0.01 0.16
Shell breaking strength 3.81 ± 0.08 3.92 ± 0.09 0.03 0.03
kg/cm2
Shell thickness, mm 0.38 ± 0.02 0.39 ± 0.02 0.01 0.20
Haugh units 71.83 ± 7.34 77.60 ± 4.26 1.73 0.13

CG, control group; FA, fulvic acid.