Table 3.
Characteristics of the whole egg depending on the specific concentration of citric acid applied on the shell.
| Characteristic | Time (days) | Group |
SEM | Factors |
|||||
|---|---|---|---|---|---|---|---|---|---|
| CA0 | CA10 | CA15 | Total | CA | T | CA × T | |||
| EW (g) | 0 | 60.76 | 61.53 | 60.82 | 61.04c | 0.402 | 1 | 1 | - |
| 7 | 59.29 | 60.88 | 60.22 | 60.04b,c | 0.399 | ||||
| 14 | 57.65 | 59.51 | 58.73 | 58.67a,b | 0.391 | ||||
| 21 | 57.07 | 59.21 | 58.41 | 58.56a | 0.398 | ||||
| 28 | 56.53x | 58.88y | 58.05x,y | 58.18a | 0.397 | ||||
| ESG (g/cm3) | 0 | 1.088 | 1.088e | 0.004 | 1 | 1 | - | ||
| 7 | 1.071x | 1.079y | 1.079y | 1.076d | 0.001 | ||||
| 14 | 1.069 | 1.073 | 1.074 | 1.072c | 0.001 | ||||
| 21 | 1.058x | 1.066y | 1.070y | 1.064b | 0.001 | ||||
| 28 | 1.054 | 1.055 | 1.052 | 1.054a | 0.001 | ||||
| WL (%) | 0–7 | 1.085 | 1.019 | 0.991 | 1.032b | 0.026 | 1 | 1 | 1 |
| 7–14 | 2.774y | 2.247x | 2.559x,y | 2.527c | 0.075 | ||||
| 14–21 | 1.012y | 0.512x | 0.477x | 0.657a | 0.069 | ||||
| 21–28 | 0.952y | 0.558x | 0.625x | 0.712a | 0.033 | ||||
| 0–28 | 5.703y | 4.278x | 4.551x | 4.844 | 0.126 | ||||
| ACD (mm) | 7 | 2.683z | 1.450x | 1.733y | 1.955a | 0.086 | 1 | 1 | 1 |
| 14 | 4.093y | 2.383x | 2.517x | 2.998b | 0.115 | ||||
| 21 | 4.567y | 3.650x | 3.383x | 3.867c | 0.102 | ||||
| 28 | 4.700 | 4.400 | 4.550 | 4.517d | 0.082 | ||||
x,ymeans within the row differ significantly at P ≤ 0.05; a,b means within the column differ significantly at P ≤ 0.05.
Abbreviations: ACD, air cell depth; CA, citric acid; ESG, egg specific gravity; EW, egg weight; T, time; WL, weight loss.
1
The influence of factor significant at P ≤ 0.05.