Courtship behaviour of tortoises includes biting, ramming, chasing, same-sex sexual behaviour, and it commonly is excessive in European tortoise species kept as pets. As a result, males are kept individually. To assess the effect of orchiectomy on excessive courtship behaviour in European ...
Author(s)
Hatt, J. M.; Kummrow, M.; Wenger, S.; Clauss, M.
Publisher
BMJ Publishing Group, London, UK
Citation
Veterinary Record, 2019, 184, 18, pp 555
Publisher
Elsevier, New York, USA
Citation
Journal of Exotic Pet Medicine, 2012, 21, 1, pp 5-86
We recorded the thermoregulatory patterns of five Aldabra giant tortoises (Aldabrachelys gigantea) (25-193 kg) during spring (ZRH spring trial), after the installation of a heating area (concrete heat pad and basking lamp) at Zurich Zoo, Switzerland. The measurements were compared to published...
Author(s)
Falcón, W.; Furrer, S.; Bauert, M.; Hatt, J. M.; Hansen, D. M.; Clauss, M.
Publisher
Wiley, Hoboken, USA
Citation
Zoo Biology, 2018, 37, 6, pp 458-465
Author(s)
Bochmann, W.; Wenger, S.; Hatt, J. M.
Publisher
Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
Citation
Proceedings of the International Conference on Diseases of Zoo and Wild Animals, May 13th-16th, 2015, Barcelona, Spain, 2015, pp 103
Author(s)
Hatt, J. M.; Jaya, Y.; Erdiansyah, R.; Frey, R.
Publisher
Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
Citation
Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Warsaw, Poland, 28-31 May 2014, 2014, pp 145
Captive reptiles often show higher growth rates than in the wild, possibly due to higher feeding intensity. Although health problems are usually linked to inappropriate diets, fast growth itself, such as triggered by appropriate diets fed in high amounts, has traditionally also been considered...
Author(s)
Ritz, J.; Clauss, M.; Streich, W. J.; Hatt, J. M.
Publisher
Wiley-Blackwell, Hoboken, USA
Citation
Zoo Biology, 2012, 31, 6, pp 705-717
Author(s)
Hatt, J. M.; Bauert, M.; Wenger, S.
Publisher
Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
Citation
Proceedings of the International Conference on Diseases of Zoo and Wild Animals, Warsaw, Poland, 28-31 May 2014, 2014, pp 55
Historically, giraffes (Giraffa spp.) in zoos are known to have a high prevalence of deaths associated with serous fat atrophy, which has been linked to the impression that as browsers, they are more difficult to feed appropriately compared to grazing ruminants. Therefore, one could expect...
Author(s)
Clavadetscher, I.; Bond, M.; Martin, L.; Schiffmann, C.; Hatt, J. M.; Clauss, M.
Publisher
European Association of Zoos and Aquaria (EAZA), Amsterdam, Netherlands
Citation
Journal of Zoo and Aquarium Research, 2021, 9, 3, pp 170-185
A prospective, randomized, crossover experimental pilot study was performed to compare the anesthetic quality and recovery times of intramuscular (IM) ketamine/medetomidine and S-ketamine/medetomidine in Testudo spp. Four adult male Hermann's tortoises (Testudo hermanni) and one adult male...
Author(s)
Bochmann, M.; Wenger, S.; Hatt, J. M.
Publisher
Association of Reptilian and Amphibian Veterinarians, Chester Heights, USA
Citation
Journal of Herpetological Medicine and Surgery, 2018, 28, 1/2, pp 40-46
The repair of seven tibiotarsal fractures, three humeral fractures, three tarsometatarsal fractures, two femoral fractures and 13 radial and ulnar fractures with a tubular external fixator system was evaluated prospectively in 10 common pigeons (Columba livia), 11 psittacine birds, six birds of...
Author(s)
Hatt, J. M.; Christen, C.; Sandmeier, P.
Publisher
British Veterinary Association, London, UK
Citation
Veterinary Record, 2007, 160, 6, pp 188-194