Table 3. Effects of breed, laying age and egg storage period on the weight and feed consumption of chicks after hatching
Factors | | In-put egg weight (g) | | Body weight(g) | | Feed consumption (g/chick/7days) |
Hatching | 7d | Weight gain |
Breed (A) | Jaeraejong | 50.6±5.6c | 37.4±4.5c | 48.6±6.8b | 11.2±8.6a | 33.6±3.5a |
K. Rhode | 54.6±5.5b | 40.5±4.6b | 46.3±6.3c | 5.7±7.6b | 27.6±5.0b |
K. Leghorn | 59.0±6.3a | 43.7±4.9a | 49.9±5.9a | 5.9±7.8b | 32.1±3.2a |
Laying age (B) | 27~29wk | 50.6±4.9b | 37.4±4.0b | 48.8±6.9a | 11.6±7.7a | 32.4±5.0a |
50~52wk | 58.9±5.8a | 44.2±4.5a | 47.9±6.1b | 3.7±7.1b | 29.8±4.1b |
Egg storage period (C) | 3d | 55.7±6.2a | 41.5±4.8a | 48.7±6.9 | 7.2±8.5 | 30.9±3.7 |
7d | 54.5±7.0b | 40.3±5.7b | 48.3±6.1 | 7.9±8.2 | 31.3±5.3 |
14d | 54.1±6.9b | 40.0±5.7b | 47.9±6.4 | 7.9±8.2 | 31.0±5.0 |
P values | A | <0001 | <0001 | <0001 | <0001 | <0001 |
B | <0001 | <0001 | 0.0093 | <0001 | 0.0085 |
C | <0001 | <0001 | 0.0955 | 0.832 | 0.9578 |
A × B | <0001 | <0001 | 0.8414 | 0.3277 | 0.5822 |
A × C | 0.9482 | 0.4588 | 0.0743 | 0.1353 | 0.6910 |
B × C | <0001 | <0001 | 0.1776 | 0.3378 | 0.2137 |
A × B × C | 0.6762 | 0.8816 | 0.7548 | 0.9116 | 0.7799 |
Values are mean±standard deviation.
The different superscripts within column in each factor significantly differ.