Table 8.
Effect of Y. schidigera supplementation on the meat quality of broilers on day 21.
| Parameters | Treatments | p Value | |||||
|---|---|---|---|---|---|---|---|
| T1 | T2 | T3 | T4 | T5 | T6 | ||
| 21 day-old (Starter phase) | |||||||
| Breast | |||||||
| Cooking loss (%) | 18.08 ± 0.74 a | 18.29 ± 0.28 a | 18.38 ± 0.42 a | 18.14 ± 0.58 a | 16.44 ± 0.62 ab | 15.41 ± 0.36 b | 0.02 |
| Muscle pH | 5.88 ± 0.02 b | 5.86 ± 0.01 b | 5.93 ± 0.04 ab | 5.91 ± 0.02 b | 6.01 ± 0.05 ab | 6.06 ± 0.04 a | 0.01 |
| Drip loss at 24 h (%) | 4.31 ± 0.10 a | 3.85 ± 0.15 ab | 3.66 ± 0.27 ab | 3.63 ± 0.01 ab | 3.70 ± 0.08 ab | 3.23 ± 0.29 b | 0.02 |
| Drip loss at 48 h (%) | 6.41 ± 0.05 ab | 6.30 ± 0.17 abc | 6.91 ± 0.46 a | 6.31 ± 0.20 abc | 5.64 ± 0.09 bc | 5.36 ± 0.08 c | 0.01 |
| Color L* (lightness) | 47.30 ± 0.73 ab | 47.15 ± 0.40 ab | 46.92 ± 0.21 b | 47.61 ± 0.21 ab | 48.92 ± 0.51 a | 48.49 ± 0.14 ab | 0.02 |
| Color a* (redness) | 6.74 ± 0.43 | 7.03 ± 0.49 | 6.24 ± 0.01 | 6.86 ± 0.19 | 6.38 ± 0.08 | 5.94 ± 0.24 | 0.12 |
| Color b* (yellowness) | 20.59 ± 0.03 | 18.01 ± 0.42 | 20.21 ± 0.42 | 18.38 ± 0.76 | 18.55 ± 0.66 | 19.73 ± 1.16 | 0.06 |
| Tenderness | 422.64 ± 20.53 | 411.98 ± 8.59 | 423.88 ± 18.87 | 424.98 ± 8.64 | 424.99 ± 9.31 | 446.13 ± 20.31 | 0.76 |
| Drumstick | |||||||
| Cooking loss (%) | 20.74 ± 0.47 ab | 18.47 ± 0.85 ab | 21.09 ± 0.91 a | 20.23 ± 0.51 ab | 19.42 ± 0.31 ab | 17.71 ± 0.71 b | 0.02 |
| Muscle pH | 6.34 ± 0.0 b | 6.37 ± 0.02 b | 6.33 ± 0.04 b | 6.35 ± 0.05 b | 6.41 ± 0.02 ab | 6.53 ± 0.03 a | 0.02 |
| Drip loss at 24 h (%) | 2.14 ± 0.04 | 2.09 ± 0.06 | 2.16 ± 0.08 | 2.07 ± 0.07 | 2.05 ± 0.07 | 1.93 ± 0.03 | 0.15 |
| Drip loss at 48 h (%) | 3.17 ± 0.04 a | 3.03 ± 0.03 abc | 3.17 ± 0.05 a | 3.12 ± 0.04 ab | 3.01 ± 0.02 bc | 2.88 ± 0.04 c | 0.01 |
| Color L* (lightness) | 50.18 ± 1.34 | 52.14 ± 0.07 | 50.81 ± 0.71 | 50.57 ± 0.65 | 49.68 ± 1.69 | 50.19 ± 1.26 | 0.69 |
| Color a* (redness) | 7.07 ± 0.31 | 7.47 ± 0.29 | 8.28 ± 0.57 | 8.16 ± 0.54 | 6.49 ± 0.24 | 8.16 ± 0.81 | 0.11 |
| Color b* (yellowness) | 11.45 ± 1.47 | 12.84 ± 0.94 | 12.88 ± 0.51 | 13.38 ± 1.32 | 12.31 ± 0.55 | 14.41 ± 0.79 | 0.45 |
| Tenderness | 227.41 ± 22.06 | 224.91 ± 24.61 | 230.92 ± 16.95 | 237.89 ± 12.05 | 261.26 ± 4.28 | 208.21 ± 17.13 | 0.44 |
Note: All values were expressed as mean ± SE; a,b,c values with superscript within row are significantly different at p < 0.05. T1: Negative control; T2: Positive control; T3: 25 mg/kg; T4: 50 mg/kg; T5: 75 mg/kg; T6: 100 mg/kg.