Table 2.
The effects of access to a water pool on the carcass characteristics, meat quality, immune system function, and tibial quantity (mean ± SE).
| Feeding system | Items |
|||
|---|---|---|---|---|
| Dressing percentage (%) | Semieviscerated weights rate (%) | All-eviscerated weights rate (%) | Breast muscle rate (%) | |
| WP | 84.25 ± 0.23 | 76.73.10 ± 0.73 | 69.66 ± 1.08B | 7.93 ± 0.97 |
| LWP | 86.05 ± 1.15 | 79.14 ± 1.71 | 72.78 ± 1.31A | 7.95 ± 0.57 |
| Leg muscle rate (%) | Breast fat rate (%) | Leg fat rate (%) | Liver fat rate (%) | |
| WP | 11.36 ± 0.63 | 0.90 ± 0.03 | 1.40 ± 0 0.05 | 4.41 ± 0.17B |
| LWP | 11.44 ± 10.96 | 0.94 ± 0.03 | 1.45 ± 0.12 | 6.15 ± 1.75A |
| Abdominal fat rate (%) | Skin fat rate (%) | Leg muscle fiber density（piece/mm2) | Leg muscle fiber diameter (μm) | |
| WP | 1.65 ± 0.29 | 24.53 ± 1.58B | 570.98 ± 92.17A | 38.06 ± 1.84 |
| LWP | 1.62 ± 0.29 | 25.07 ± 0.67A | 508.48 ± 8.48B | 23.95 ± 6.44 |
| Liver (g/kg) | Spleen (g/kg) | Thymus (g/kg) | Tibial weight (g) | |
| WP | 21.75 ± 0.91 | 0.57 ± 0.03 | 2.50 ± 0.15A | 17.10 ± 0.71 |
| LWP | 21.81 ± 0.73 | 0.61 ± 0.03 | 1.68 ± 0.05B | 16.85 ± 0.41 |
| Fat-free tibia weight (g) | Tibia ash (g) | Tibia calcium (%) | Tibia phosphorus (%) | |
| WP | 6.20 ± 0.12 | 3.24 ± 0.03 | 18.54 ± 0.14 | 9.17 ± 0.03 |
| LWP | 6.14 ± 0.26 | 3.10 ± 0.11 | 18.75 ± 0.12 | 9.23 ± 0.04 |
Mean values with different superscript in column between WP and LWP are significant different (P < 0.05).
Abbreviations: LWP, Lack of water pool; WP, providing with water pool.