Validation of a cortisol enzyme immunoassay and characterization of salivary cortisol circadian rhythm in chimpanzees (Pan troglodytes)

Abstract Monitoring concentrations of stress hormones is an important tool for behavioral research and conservation for animals both in the wild and captivity. Glucocorticoids can be measured in mammals as an indicator of stress by analyzing blood, feces, urine, hair, feathers, or saliva. The advantages of using saliva for measuring cortisol concentrations are three-fold: it […]