Table 6. Effects of breed, laying age and egg storage period on the IL-6 gene expression level and the telomere length in hatched chicks
Factors | | IL-6 | Telomere |
ΔCT | 2−ΔΔct | ΔCT | 2−ΔΔct |
Breed (A) | Jaeraejong | 5.8±4.1b | 1 | -3.0±6.0 | 1 |
K. Rhode | 7.2±4.5a | 0.40 | -1.9±6.0 | 1.49 |
K. Leghorn | 5.4±3.5b | 1.31 | -3.6±6.3 | 0.33 |
Laying age (B) | 27~29wk | 6.6±5.7a | 1 | -3.7±4.5b | 1 |
50 ~ 52wk | 5.7±1.0b | 1.9 | -2.0±7.3a | 0.3 |
Egg storage period (C) | 3d | 5.9±6.0 | 1 | -2.0±7.8 | 1 |
7d | 6.7±2.7 | 0.59 | -2.9±5.1 | 1.89 |
14d | 5.8±3.0 | 1.13 | -3.6±5.0 | 3.14 |
P values | A | 0.0021 | | 0.0849 | |
B | 0.0224 | | 0.0047 | |
C | 0.1410 | | 0.0993 | |
A × B | 0.0065 | | <0001 | |
A × C | 0.0001 | | 0.0043 | |
B × C | 0.3903 | | 0.2991 | |
A × B × C | 0.0002 | | 0.0021 | |
Values are mean±standard deviation.
The different superscripts within column in each factor significantly differ.