Table 1 Descriptive statistics of body weight after 37 days of rearing. The incongruence between the min-max values for “All” birds (1538–3126 g) versus the Min value for Small birds (1514 g) and Max value for Big birds (3134 g) is explained by a time-difference of up to 6 h in between weighing #1 of all birds leading to the sorting of the 25 heaviest and 25 lightest birds and weighing #2 of the subset of 50 birds immediately before sacrificing

From: The link between broiler flock heterogeneity and cecal microbiome composition