Table 2.
The results of the preliminary experiment, characteristics of whole egg depending on the experimental group.
| Characteristic | T (days) | CA0 | CA5 | CA10 | CA15 | CA20 | SEM |
|---|---|---|---|---|---|---|---|
| EW (g) | 0 | 36.96 | 36.69 | 36.85 | 35.84 | 37.73 | 0.295 |
| 7 | 36.06 | 36.24 | 36.22 | 35.46 | 37.21 | 0.283 | |
| 14 | 35.40 | 35.93 | 35.73 | 35.21 | 36.84 | 0.277 | |
| 21 | 34.54 | 35.51 | 35.12 | 34.89 | 36.38 | 0.275 | |
| 28 | 33.94 | 35.21 | 34.70 | 34.67 | 36.06 | 0.278 | |
| WL (%) | 0-28 | 8.168y | 5.013x,y | 3.559x | 4.556x | 4.297x | 0.397 |
| ACD (mm) | 7 | 3.30y | 2.56x,y | 2.13x | 2.44x,y | 2.50x,y | 0.122 |
| 14 | 4.60 | 3.75 | 3.38 | 3.81 | 4.11 | 0.145 | |
| 21 | 6.10y | 4.94x,y | 3.81x | 4.31x | 4.44x | 0.183 | |
| 28 | 7.00y | 5.75x,y | 4.81x | 5.19x | 5.39x,y | 0.210 | |
| SS (N) | 28 | 37.90 | 41.54 | 43.19 | 46.59 | 41.24 | 1.817 |
| ST (mm) | 0.301 | 0.291 | 0.294 | 0.302 | 0.287 | 0.003 | |
| ApH | 9.35 | 9.32 | 9.23 | 9.33 | 9.30 | 0.018 | |
| YpH | 7.11 | 7.17 | 6.95 | 7.17 | 6.21 | 0.214 |
x,ymeans within the row differ significantly at P ≤ 0.05.
Abbreviations: ACD, air cell depth; ApH, albumen pH; CA, citric acid; EW, egg weight; SS, shell strength; ST, shell thickness; WL, weight loss; YpH, yolk pH.