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Table 4 Performance and health parameters based on 2309 flocks from 358 broiler farms in 2016 originating from 7 EU member states

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
  1. aStandard deviation; bEuropean Production Index, calculated by multiplying average bodyweight with livability, dividing this result by the product of FCR and average age. This result multiplied with “100”, provides the EPI. Livability is defined as the percentage of the total number of broilers at placement that reaches slaughter-age