Table 3.
Production performance (n = 100), egg production and quality (n = 30) and meat quality (n = 10) between cage rearing (FDMG) and free-range rearing system (FRMG).
| Items | FDMG | FRMG | ||
|---|---|---|---|---|
| Feed consumption (FC, g) | 82.16 a ± 0.09 | 75.10 b ± 0.07 | ||
| Egg weight (EW, g) | 40.73 b ± 0.07 | 45.49 a ± 0.07 | ||
| FC/EW | 3.84 b ± 0.20 | 4.63 a ± 0.30 | ||
| Egg production (%) | 51.20 a ± 1.01 | 37.45 b ± 1.02 | ||
| Mortality (%) | 12.77 | 5 | ||
| Soft-shelled eggs (n) | 211 | 4 | ||
| Yolk weight (g) | Day 182 (Age) | 11.27 ± 0.07 | 10.92 ± 0.07 | |
| Day 224 | 11.79 b ± 1.06 | 12.59 a ± 1.12 | ||
| Day 266 | 13.54 ± 1.00 | 14.00 ± 0.08 | ||
| Yolk color | Day 182 | 9.54 a ± 0.09 | 8.5 b ± 0.09 | |
| Day 224 | 7.75 a ± 0.08 | 6.95 b ± 0.09 | ||
| Day 266 | 7.79 ± 0.07 | 8.07 ± 0.09 | ||
| Drip loss (%) | Thigh | 2.11 ± 0.01 | 2.03 ± 0.03 | |
| Breast | 2.91 ± 0.01 | 3.01 ± 0.02 | ||
| Cooking loss (%) | Thigh | 3.07 b ± 0.03 | 6.06 a ± 0.02 | |
| Breast | 7.71 ± 0.03 | 9.05 ± 0.03 | ||
| Shearing force (kg/cm2) | Thigh | 53.96 a ± 0.05 | 51.05 b ± 0.05 | |
| Breast | 48.08 ± 0.05 | 47.08 ± 0.05 | ||
| Meat color | Light | Thigh | 30.33 ± 0.03 | 33.28 ± 0.03 |
| Breast | 40.26 ± 0.05 | 41.75 ± 0.04 | ||
| Red | Thigh | 5.07 b ± 0.12 | 8.47 a ± 0.13 | |
| Breast | 5.80 b ± 0.33 | 8.61 a ± 0.34 | ||
| Yellow | Thigh | 7.33 ± 0.03 | 8.00 ± 0.04 | |
| Breast | 11.48 ± 0.05 | 11.76 ± 0.07 | ||
Superscript letters a and b represent statistically significant differences.