Table 3.
Core temperature, pH, and color of the pectoralis major at 34 d of age in broilers fed diets containing varying amounts of cinnamon bark powder (CBP) were measured 1 h postmortem.
| Cinnamon (g/kg) | Probability | ||||||
|---|---|---|---|---|---|---|---|
| Treatment 1 | NC | PC | Salinomycin | 2 | 4 | 6 | |
| Core Temperature | 25.5 ± 0.15 2cd | 24.89 ± 0.23 d | 25.78 ± 0.23 bc | 26.55 ± 0.10 a | 25.6 ± 0.19 c | 26.41 ± 0.05 ab | <0.0001 |
| Initial pH | 6.08 ± 0.07 | 6.16 ± 0.08 | 6.23 ± 0.02 | 6.25 ± 0.10 | 6.16 ± 0.09 | 6.36 ± 0.04 | 0.104 |
| L1 | 42.12 ± 0.94 b | 45.29 ± 0.74 a | 42.12 ± 0.29 b | 44.10 ± 0.59 ab | 45.35 ± 0.60 a | 44.48 ± 0.47 ab | 0.002 |
| a1 | 6.59 ± 1.04 | 5.43 ± 0.81 | 5.38 ± 0.52 | 5.88 ± 0.57 | 6.48 ± 0.38 | 6.25 ± 0.45 | 0.695 |
| b1 | 7.7 ± 0.34 | 7.36 ± 0.27 | 5.96 ± 0.39 | 6.32 ± 0.25 | 7.5 ± 0.87 | 6.91 ± 0.48 | 0.104 |
| ∆E | 52.71 ± 1.05 a | 49.4 ± 0.73 b | 52.44 ± 0.31 a | 50.55 ± 0.61 ab | 49.49 ± 0.54 b | 50.25 ± 0.50 ab | 0.004 |
| Hue angle (◦) | 50.86 ± 4.54 | 54.39 ± 4.25 | 48.31 ± 1.31 | 47.62 ± 2.00 | 48.28 ± 2.60 | 47.86 ± 2.04 | 0.589 |
| Saturation index | 10.28 ± 0.75 | 9.27 ± 0.52 | 8.03 ± 0.62 | 8.65 ± 0.55 | 9.95 ± 0.86 | 9.34 ± 0.58 | 0.205 |
| Browning index | 31.5 ± 2.91 | 26.11 ± 1.29 | 24.26 ± 1.96 | 24.88 ± 1.65 | 28.11 ± 2.56 | 26.88 ± 1.98 | 0.223 |
| Whiteness index | 41.20 ± 1.04 b | 44.49 ± 0.71 a | 41.55 ± 0.32 b | 43.43 ± 0.61 ab | 44.41 ± 0.50 a | 43.69 ± 0.52 ab | 0.004 |
1 Treatments: NC—negative control, unsupplemented, unchallenged; PC—positive control, unsupplemented, challenged; Salinomycin—basal diet supplemented with coccidiostat salinomycin, challenged; Cinnamon—groups whose basal diet supplemented with 2, 4, and 6 g cinnamon powder/kg diet, respectively, challenged. 2 Each mean is based on measurements from 5 birds per treatment. a–d Means in the same rows with different superscripts differ significantly at p < 0.05; L1, a1, and b1—initial lightness, redness, and yellowness, respectively; ∆E—total color change.