Table 5.
Effects of low-protein diet supplemented with EDP on carcass traits of Sanhua geese in growing period.
| Items | Carcass weight yield, % | Semi-eviscerated carcass yield, % | Eviscerated carcass yield, % | Keel length, cm | Breast width, mm | Breast depth, mm | |
|---|---|---|---|---|---|---|---|
| 121.69±1.15ab | |||||||
| B | 84.31±0.63ab | 70.39±1.68 | 72.45±0.40AB | 16.77±0.26 | 150.89±3.54BC | 125.28±2.61a | |
| C | 84.20±0.67ab | 79.28±0.72 | 72.72±0.77AB | 16.95±0.18 | 159.56±3.55AB | 121.92±2.29ab | |
| D | 85.83±0.49a | 81.07±0.52 | 74.59±0.56A | 17.08±0.23 | 163.40±2.28A | 125.05±1.41a | |
| E | 85.61±1.29a | 81.20±0.60 | 74.26±0.56A | 17.47±0.26 | 161.54±3.38A | 118.52±2.27b | |
| F | 84.50±2.65ab | 79.42±0.82 | 72.65±0.66AB | 17.73±0.34 | 157.66±4.32AB | 116.03±1.90b | |
| Level | 16.00 % | 84.32±0.49 | 79.57±0.62 | 72.55±0.47 | 17.18±0.21 | 155.38±2.27 | 123.37±1.36 |
| 14.50 % | 84.96±0.51 | 80.80±0.64 | 73.36±0.49 | 17.12±0.21 | 156.21±2.36 | 121.90±1.41 | |
| 13.00 % | 84.35±0.51 | 79.35±0.64 | 72.68±0.49 | 17.34±0.21 | 158.61±2.36 | 118.98±1.41 | |
| Ratio | 0.00 % | 83.77±0.41b | 79.25±0.51 | 71.90±0.39B | 17.00±0.17 | 152.60±1.88B | 123.96±1.12 |
| 2.50 % | 85.31±0.42a | 80.56±0.53 | 73.83±0.40A | 17.43±0.18 | 160.87±1.93A | 119.87±1.51 | |
| P-value | Level | 0.607 | 0.244 | 0.463 | 0.745 | 0.601 | 0.091 |
| Ratio | 0.013 | 0.083 | 0.002 | 0.086 | 0.004 | 0.064 | |
| Level * Dose | 0.168 | 0.255 | 0.017 | 0.206 | 0.031 | 0.025 | |