Figure 4 | Scientific Reports

Figure 4

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

Figure 4

Housing and personality interact to affect judgment bias. Exploratory hens showed more optimistic responses when housed with preferred enrichments, but there was no housing effect for Non-exploratoy hens. Bars show the back-transformed least square mean (LSM) probabilities of flipping the unreinforced ambiguous lids and 95% confidence intervals. (LSM values partial out the effects of cohort, period and interactions). The legend denotes hens’ current housing during the time of testing. **P < 0.05.

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