| D1, control | D2, 4% PCHM | D3, 8% PCHM | SEM | P value |
---|---|---|---|---|---|
Starter phase (1 to 21Â days) | |||||
 IBW (g/bird) | 40.81 | 40.89 | 40.85 | 0.63 | 0.90 |
 BWG (g/bird) | 906.94 | 959.62 | 931.08 | 19.97 | 0.62 |
 FI (g/bird) | 1589.83b | 1634.91b | 1790.46a | 33.93 | 0.01 |
 FCR | 1.75 | 1.71 | 1.92 | 0.04 | 0.06 |
Grower phase (22 to 42Â days) | |||||
 BWG (g/bird) | 1537.25 | 1624.49 | 1843.08 | 67.75 | 1.66 |
 FI (g/bird) | 2790.37 | 2716.28 | 2995.78 | 81.53 | 0.40 |
 FCR | 1.81 | 1.67 | 1.63 | 0.04 | 0.10 |
Overall (0 to 42Â days) | Â | Â | Â | Â | Â |
 BWG (g/bird) | 2444.19 | 2584.11 | 2774.16 | 82.00 | 0.28 |
 FI (g/bird) | 4380.21 | 4351.19 | 4786.24 | 106.65 | 0.18 |
 FCR | 1.79 | 1.69 | 1.73 | 0.02 | 0.16 |