Table 4.
Effect of blue lupine and probiotics on feed conversion rate, European production efficiency index, and economic efficiency of broiler chickens from 1 to 35 d of age.
| Treatment | Feed conversion rate 1–21 d of age, g/day | Feed conversion rate 22–35 d of age, g /day | Feed conversion rate 1–35 d of age, g/day | Survival rate,% | European production efficiency index |
|---|---|---|---|---|---|
| Effect of dietary blue lupine concentration | |||||
| Control (0%) | 1.34 | 1.57b | 1.45 | 100 | 382 |
| 20% | 1.33 | 1.59ab | 1.45 | 100 | 386 |
| 30% | 1.35 | 1.64a | 1.48 | 100 | 376 |
| Effect of dietary probiotics | |||||
| Unsupplemented (–) | 1.33 | 1.61 | 1.46 | 100 | 377 |
| Supplemented (+) | 1.35 | 1.60 | 1.46 | 100 | 385 |
| Interaction between blue lupine concentration and probiotic supplementation | |||||
| 0% (–) | 1.32 | 1.57 | 1.44 | 100 | 388 |
| 0 % (+) | 1.37 | 1.58 | 1.47 | 100 | 377 |
| 20% (–) | 1.32 | 1.60 | 1.45 | 100 | 375 |
| 20% (+) | 1.33 | 1.59 | 1.45 | 100 | 396 |
| 30% (–) | 1.35 | 1.65 | 1.49 | 100 | 369 |
| 30% (+) | 1.35 | 1.62 | 1.47 | 100 | 384 |
| P-values | |||||
| Blue lupine | 0.72 | 0.04 | 0.20 | ND | 0.69 |
| Probiotic | 0.44 | 0.58 | 0.72 | ND | 0.40 |
| Interaction | 0.72 | 0.73 | 0.37 | ND | 0.36 |
| RMSE | 0.06 | 0.06 | 0.03 | ND | 22.6 |
a,b
Means for each trait with different superscripts differ significantly at p < 0.05; ND, Not done.