Table 3. Effects of g.420 C>A in cholecystokinin type A receptor gene on body weight and average daily gain in the conventional meat-type Okumino-kojidori chickens.
| Traits | n | intercept | gender | season | additive | dominance | Fvar | Rvar | Variance (%) |
|---|---|---|---|---|---|---|---|---|---|
| Body weight (BW, g) | |||||||||
| BW_3wks | 264 | 452.4±5.3 | 17.4±4.8** | 60.1±4.7** | 5.3±3.7 | 8.2±5.0 | 378658 | 381602 | 0.8 |
| BW_6wks | 264 | 1249.3±15.7 | 32.1±14.0* | 330.3±14.0** | 8.4±11.1 | 35.5±14.7* | 3297334 | 3304751 | 0.2 |
| BW_9wks | 264 | 1914.6±24.5 | 190.4±21.9** | 730.2±21.8** | 30.1±17.3 | 45.7±22.9* | 8035992 | 8130530 | 1.2 |
| BW_12wks | 264 | 2405.7±33.2 | 344.6±29.6** | 1033.4±29.5** | 49.6±23.3* | 56.7±31.0 | 14703859 | 14960450 | 1.7 |
| Average daily gain (ADG, g/day) | |||||||||
| ADG_3–6wks | 264 | 37.9±0.6 | 0.7±0.5 | 12.9±0.5** | 0.1±0.4 | 1.3±0.5* | 4167.6 | 4169.9 | 0.1 |
| ADG_6–9wks | 264 | 31.7±0.6 | 7.5±0.6** | 19.0±0.6** | 1.0±0.4* | 0.5±0.6 | 5241.1 | 5352.2 | 2.1 |
| ADG_9–12wks | 264 | 23.4±0.9 | 7.3±0.8** | 14.4±0.8** | 0.9±0.6 | 0.5±0.8 | 10025.7 | 10115.6 | 0.9 |
| ADG_3–12wks | 264 | 31.0±0.5 | 5.2±0.4** | 15.4±0.4** | 0.7±0.3* | 0.8±0.5 | 3176.9 | 3228.4 | 1.6 |
**
P<0.01
*
P<0.05