7 citations
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May 2021 in “General and comparative endocrinology” This study concluded that qiviut cortisol can be used as a measure of HPA axis activity in muskoxen, with hair growth phase and body region affecting cortisol levels.
4 citations
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August 2021 in “Theriogenology” This study found that blocking neurosteroid synthesis in pregnant sheep increased HPA axis activity, particularly under stress, suggesting neurosteroids help modulate stress response.
April 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair cortisol is a reliable long-term stress marker during pregnancy.
January 2012 in “CINECA IRIS Institutial Research Information System (University of Genoa)” This study observed fluctuations in hair cortisol levels in rabbits, indicating their HPA axis activity responded similarly to surgical and environmental stressors, suggesting potential anthropomorphic evaluations of stress.
28 citations
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May 2014 in “PubMed” This study found that increased hair cortisol levels, indicating stress, were associated with greater hair loss in captive rhesus macaques, although the causality of this relationship remains unclear.