Table 1 Allocation of hens to housing treatment according to personality.

From: Welfare-improving enrichments greatly reduce hens’ startle responses, despite little change in judgment bias

Cohort 1

6 Enriched groups

3 groups with an Exploratory hen, 3 groups with a Non-exploratory hen

6 Control groups

3 groups with an Exploratory hen, 3 groups with a Non-exploratory hen

Cohort 2

6 Enriched groups

3 groups with an Exploratory hen, 3 groups with a Non-exploratory hen

6 Control groups

3 groups with an Exploratory hen, 3 groups with a Non-exploratory hen

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