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.