Table 4.
Effects of different levels of SBPM supplementation on meat quality of broiler chickens.
| Parameters | Thermoneutral (SBPM, ppm) | Heat-Stressed (SBPM, ppm) | SEM | Two-Way ANOVA | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 75 | 150 | 300 | 0 | 75 | 150 | 300 | Temp. | Diet | Temp. × diet | ||
| Drip loss, % | ||||||||||||
| Breast | 1.92 | 1.63 | 1.44 | 1.48 | 4.07 | 3.75 | 2.66 | 3.26 | 0.3 | p < 0.001 | 0.003 | 0.217 |
| Thigh | 1.96 | 1.71 | 1.89 | 2.03 | 3.74 | 3.51 | 2.94 | 3.05 | 0.3 | p < 0.001 | 0.336 | 0.197 |
| Glutathione, μmol/g wet tissue | ||||||||||||
| Breast | 2.70 a | 2.65 ab | 2.69 a | 2.70 a | 2.12 c | 2.30 c | 2.43 cb | 2.46 b | 0.1 | p < 0.001 | 0.0365 | 0.0347 |
| Thigh | 4.01 a | 3.88 a | 4.05 a | 3.85 a | 2.57 bc | 2.61 b | 2.78 ab | 2.97 a | 0.1 | p < 0.001 | 0.2044 | 0.0432 |
| TBARS, nmol/g wet tissue | ||||||||||||
| Breast | 28.2 c | 23.5 cd | 21.1 d | 24.9 cd | 66.3 a | 55.4 b | 43.6 c | 37.1 c | 2.7 | p < 0.001 | p < 0.001 | p < 0.001 |
| Thigh | 78.6 c | 69.3 cd | 60.3 d | 68.0 cd | 110.0 a | 95.4 b | 87.5 c | 83.3 c | 2.7 | p < 0.001 | p < 0.001 | 0.0013 |
Data are means of twelve birds. Data were analyzed using two-way ANOVA with Tukey’s multiple-comparison test. Different superscript letters indicate statistically significant differences (abcd p < 0.05).