date:Aug 16, 2012
the birds body prepares for flight or fight.
Experts said levels of corticosterone are an important indicator of stress and form the basis for a valuable, non-invasive test. However, since the hormone is released in response to a variety of stresses, researchers said it does have its drawbacks and, despite a great deal of refinement and improvement, it is still difficult to pinpoint the precise cause of stress by measuring corticosterone levels. Tamsyn added: Even the very act of taking a bloo