Measuring Faecal Epi-Androsterone as an Indicator of Gonadal Activity in Spotted Hyenas (Crocuta crocuta)

• Susanne Pribbenow ,

  * E-mail: pribbenow@izw-berlin.de

  Affiliation Department Reproduction Biology and Evolutionary Ecology, Leibniz Institute of Zoo and Wildlife Research, Forschungsverbund Berlin e.V., Berlin, Germany

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• Marion L. East,

  Affiliation Department Reproduction Biology and Evolutionary Ecology, Leibniz Institute of Zoo and Wildlife Research, Forschungsverbund Berlin e.V., Berlin, Germany

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• Andre Ganswindt,

  Affiliations Endocrine Research Laboratory, Department of Anatomy and Physiology, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, Republic of South Africa, National Zoological Gardens of South Africa, Pretoria, Republic of South Africa

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• Adrian S. W. Tordiffe,

  Affiliations National Zoological Gardens of South Africa, Pretoria, Republic of South Africa, Department of Companion Animal Clinical Studies, Faculty of Veterinarian Science, University of Pretoria, Onderstepoort, Republic of South Africa

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• Heribert Hofer,

  Affiliation Department Reproduction Biology and Evolutionary Ecology, Leibniz Institute of Zoo and Wildlife Research, Forschungsverbund Berlin e.V., Berlin, Germany

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• Martin Dehnhard

  Affiliation Department Reproduction Biology and Evolutionary Ecology, Leibniz Institute of Zoo and Wildlife Research, Forschungsverbund Berlin e.V., Berlin, Germany

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