Table 3.
Effects of Quercetin, vitamin E, and Q + VE on egg quality of aging hens.
| Traits | Control | Quercetin | Vitamin E | Q + VE |
|---|---|---|---|---|
| Yolk weight (g) | 15.43 ± 2.06b | 20.00 ± 2.07a | 19.17 ± 1.49a | 19. 75 ± 2.17a |
| Yolk height (mm) | 15.35 ± 1.37b | 18.50 ± 0.93a | 17.91 ± 0.72a | 19.37 ± 2.03a |
| Yolk diameter (mm) | 38.08 ± 2.07b | 44.13 ± 2.77a | 42.16 ± 2.52a | 44.86 ± 4.32a |
| Haugh unit | 66.16 ± 11.23c | 89.00 ± 9.95ab | 80.73 ± 2.92b | 93.96 ± 12.51a |
| Albumen height (mm) | 6.29 ± 0.33b | 7.36 ± 0.76a | 7.11 ± 0.46ab | 8.03 ± 1.26a |
| Yolk color | 5.49 ± 0.73b | 7.96 ± 1.72ab | 6.61 ± 0.72ab | 9.38 ± 5.21a |
| Eggshell thickness (mm) | 0.28 ± 0.04b | 0.36 ± 0.03a | 0.30 ± 0.06b | 0.36 ± 0.04a |
The values are presented as mean ± standard deviation.
Means in the same row without a common superscript letter differed statistically (P < 0.05).