Table 2.
Effect of probiotic supplementations on total feed intake, body weight, feed conversion ratio and mortality in broilers at 42 d of age
| Component | C | BS | LAB | p-value |
|---|---|---|---|---|
| Body weight (g/bird) | 2,608.99±15.03b | 2,672.23±12.00a | 2,664.92±12.97a | 0.0085 |
| Feed intake (g/bird) | 4,717.41±29.56 | 4,708.19±60.42 | 4,764.85±23.23 | 0.5894 |
| Feed conversion | 1.81±0.01a | 1.76±0.02b | 1.79±0.01ab | 0.0307 |
| Mortality (%) | 7.14±3.36 | 6.35±2.86 | 7.94±3.42 | 0.9517 |
a,b
Values are expressed as means±SE. Means with different superscripts within the same row differ significantly (p<0.05). C = Control group (no addition probiotic); BS = Birds supplemented with Bacillus subtilis based probiotic; LAB = Birds supplemented with lactic acid bacteria based probiotic.