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Benchmarking lion welfare

Lion Adrenal Activity

African Lion , like most wildlife species have evolved not to show weakness or stress until it becomes severe. In some species it is possible to determine stress levels by assessing adrenal activity over a period of time. This is done in humans by taking blood and assaying for adrenaline, but this is clearly not an option for African Lion . We have often determined the reproductive status of females by examining the estrogen and progesterone metabolites in either fecal or urine samples collected on a regular basis. We will now apply the same technology to develop and validate a corticosteroid assay specifically for African Lion . We will work with other zoos and even circuses to gain access to African Lion under a range of management conditions, and pair our physiological assessment with behavioural assessments to determine behavioural indices of adrenaline.

Project Partners:

Taronga: Dr Meredith Bashaw, Marina Tokarski

For more information contact:

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