Table 3.
Effect of dietary tributyrin on carcass characteristics in Arbor Acres broilers at the age of 42 d.
| Carcass trait | Dietary treatment |
P value |
||||
|---|---|---|---|---|---|---|
| Control | TB1 | TB2 | TB3 | Linear | Quadratic | |
| Dressing (%) | 90.00 ± 1.22 | 90.91 ± 1.48 | 91.21 ± 1.14 | 91.26 ± 1.20 | 0.680 | 0.092 |
| Eviscerated (%) | 76.10 ± 3.04 b | 77.74 ± 2.76a | 77.72 ± 3.21a | 77.79 ± 2.69a | 0.445 | 0.268 |
| Breast meat (%) | 19.47 ± 2.17 | 20.51 ± 2.24 | 21.23 ± 2.59 | 21.37 ± 1.31 | 0.216 | 0.047 |
| Leg muscle (%) | 13.43 ± 1.34 | 13.85 ± 1.83 | 13.97 ± 1.25 | 13.97 ± 1.27 | 0.342 | 0.055 |
| Abdominal fat (%) | 1.63 ± 0.33 a | 1.34 ± 0.12 b | 1.28 ± 0.12 b, c | 1.18 ± 0.09 c | 0.312 | 0.157 |
Abbreviation: TB, tributyrin.
Control = basal diet; TB1 = basal diet supplemented with 0.5 g/kg TB-containing product; TB2 = basal diet supplemented with 1.0 g/kg TB-containing product; TB3 = basal diet supplemented with 2.0 g/kg TB-containing product.
a,b,c
Mean values within a row with different superscript letters were significantly different (P < 0.05).