Table 3.
Effects of curcumin on growth performance and liver index of diquat-challenged broilers.
| The amount of curcumin |
P value |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Items | Control group | DQ1 | 50 mg/kg | 100 mg/kg | 150 mg/kg | SEM2 | ANOVA | Linear | Quadratic |
| ADG3 (g) | 33.60 | 33.47 | 34.67 | 32.11 | 33.94 | 0.58 | 0.473 | 0.823 | 0.788 |
| ADFI4 (g) | 51.95 | 52.70 | 51.21 | 49.05 | 51.30 | 0.69 | 0.329 | 0.312 | 0.184 |
| F/G5 | 1.55 | 1.58 | 1.49 | 1.53 | 1.51 | 0.02 | 0.343 | 0.314 | 0.322 |
| BW6 change rate | 1.15* | 1.07a | 1.08a | 1.10b | 1.11b | 0.04 | <0.001 | <0.001 | 0.807 |
| Liver index (g/kg) | 21.43 | 19.32 | 20.51 | 21.40 | 21.16 | 0.48 | 0.437 | 0.147 | 0.466 |
⁎
There was significant difference (P < 0.05) between the control and DQ groups.
a,b
Within a row, means with different superscripts differ significantly (P < 0.05). Values are means (n = 8).
1–6
DQ, diquat group; SEM, the standard error of the means; ADG, average daily gain; ADFI, average daily feed intake; F/G, gain to feed ratio; BW, body weight.