Table 5.
Effects of dietary vitamin E supplementation on egg characteristics in breeding geese.
| Items | Vitamin E/(IU/kg) | SEM | p-Value | |||
|---|---|---|---|---|---|---|
| 0 | 40 | 200 | 2000 | |||
| Average egg weight/g | 147.58 | 148.68 | 147.98 | 146.32 | 1.51 | 0.959 |
| Egg shape index | 1.42 | 1.39 | 1.41 | 1.42 | 0.01 | 0.645 |
| Eggshell thickness/μm | 476.06 | 472.55 | 463.16 | 473.76 | 5.42 | 0.847 |
| Eggshell rate/% | 10.35 | 10.03 | 10.13 | 10.12 | 0.11 | 0.727 |
| Yolk color depth | 1.45 D | 2.09 C | 3.07 B | 3.5 A | 0.19 | <0.001 |
| Yolk rate/% | 32.88 | 31.03 | 32.65 | 32.22 | 0.38 | 0.297 |
| Albumen rate/% | 50.18 B | 54.68 A | 53.57 A | 54.56 A | 0.51 | 0.001 |
| Average egg weight/g | 147.58 | 148.68 | 147.98 | 146.32 | 1.51 | 0.959 |
| Yolk VE content/(μg/g) 1 | 32.70 C | 61.64 C | 129.88 B | 215.52 A | 16.94 | <0.001 |
A,B,C,D Means with different superscripts within each row are extremely significantly different (p < 0.01). 1 VE, vitamin E. Each value represents the mean of the four replicates (three eggs per replicate) in each group.