Gestating for 22 months: luteal development and pregnancy maintenance in elephants
Imke Lueders, Cheryl Niemuller, Peter Rich, Charlie Gray, Robert Hermes, Frank Goeritz, Thomas B Hildebrandt
Proceedings of the Royal Society B: Biological Sciences | ROYAL SOC | Published : 2012
We thank the zoos and their staff for supporting this research, namely African Lion Safari (Canada), Whipsnade Zoo and Twycross Zoo (UK) as well Hannover and Wuppertal Zoo (Germany). Furthermore, we wish to thank Dr Walter Elger as well as Dr Barbara Drews, Dr Jan Axtner and Dr Kathleen Roellig for input and discussion on this subject. This work has been funded by the German Academic Exchange Service (DAAD, 2007) and the International Elephant Foundation (IEF, 2008).