Olsson and Keeling, 2005 – Why in earth Dustbathing behaviour in jungle and domestic fowl reviewed from a Tinbergian and animal welfare perspective
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The neuroendocrine system controls animals’ adaptability to their environments by releasing psychotropic compounds such as catecholamines [epinephrine (EP), norepinephrine (NE), and dopamine (DA)], corticosterone (CORT), and serotonin (5-hydroxytryptamine or 5-HT). Changes of these neuroendocrine compounds have been used as biomarkers of animals’ stress responses associated with their well-being. Assuming that pullets, like laying hens, are …