From: The genetic effects of the dopamine D1 receptor gene on chicken egg production and broodiness traits
Traits1 | P value | GG2 (385) | AG2 (217) | AA2 (31) |
---|---|---|---|---|
AFE(d) | 0.58 | 135.7 ± 0.6a | 136.3 ± 0.7a | 137.3 ± 1.9a |
EN | 0.10 | 113.3 ± 1.5a | 114.6 ± 1.9ab | 124.2 ± 4.9b |
QEN | 0.17 | 109.8 ± 1.5a | 110.3 ± 1.8a | 119.2 ± 4.8a |
OEN | 0.14 | 3.6 ± 0.3a | 4.3 ± 0.4a | 5.0 ± 1.0a |
EW (g) | 0.89 | 45.8 ± 0.2a | 45.7 ± 0.3a | 45.5 ± 0.6a |
DB(d) | 0.35 | 7.9 ± 0.8a | 7.0 ± 1.0a | 4.4 ± 2.5a |
Number of nonbroody chickens | / | 186 | 116 | 22 |
Number of broody chickens | / | 199 | 101 | 9 |
Broody frequency (%) | / | 51.69 | 46.54 | 29.03 |
χ2value | < 0.05 | 6.58* |  |  |