From: Risk factors for poor health and performance in European broiler production systems
Parameter | Average | Median | SDa | Minimum | Maximum |
---|---|---|---|---|---|
Average age at slaughter (days) | 41.33 | 41 | 3.62 | 30.26 | 58.01 |
Average weight at slaughter (kg) | 2.47 | 2.50 | 0.43 | 1.66 | 3.31 |
Overall mortality (%) | 3.82 | 3.70 | 1.40 | 1.00 | 14.86 |
First week mortality (%) | 0.94 | 0.90 | 0.51 | 0.03 | 3.29 |
Dead on arrival (%) | 0.20 | 0.14 | 0.37 | 0.01 | 4.60 |
Condemnation rate (%) | 1.23 | 1.00 | 0.92 | 0.05 | 6.73 |
Feed conversion rate | 1.74 | 1.70 | 0.17 | 1.23 | 2.06 |
Daily gain (gram/day) | 59.79 | 60.62 | 5.89 | 41.19 | 72.95 |
EPIb | 338.41 | 345.85 | 53.07 | 183.93 | 432.17 |