also
found that leg condition was worse in the fast-growing
genotype as compared to the slow-growing genotype.
Tonic immobility duration, breast condition and foot pad
condition did not differ significantly between organic
versus conventional birds. These five commonly used
animal-based indicators of broiler welfare combined into
an aggregated welfare index suggest better overall
welfare in organic than conventional production systems.
The difference in FA – a novel but promising integrated
measure of animal welfare (Møller et al., 1999) – also
suggests better welfare among broilers from organic than
conventional farms.