Sterilisation of hybrid Galapagos tortoises (Geochelone nigra) for island restoration. Part 2: phallectomy of males under intrathecal anaesthesia with lidocaine

Rivera, S.; Divers, S. J.; Knafo, S. E.; Martinez, P.; Cayot, L. J.; Tapia-Aguilera, W.; Flanagan, J.
January 2011
Veterinary Record: Journal of the British Veterinary Association;Jan2011, Vol. 168 Issue 3, p78
Academic Journal
Lidocaine intrathecal anaesthesia was used to perform phallectomies in 15 hybrid Galapagos tortoises () in a field setting as part of a conservation and ecosystem restoration project in the Galapagos Islands. The intrathecal injection was performed in the dorsal intercoccygeal region of the tail. Once the tail and hindlimbs were relaxed and the phallus was easily exteriorised, phallectomy was performed in a routine manner. All the animals recovered well from the procedure and were walking 30 to 60 minutes after surgery. No adverse effects were noted as a result of lidocaine intrathecal anaesthesia. One of the larger animals had evidence of haemorrhage from the surgical site 48 hours postoperatively. All tortoises continued to make full recoveries and were released on to the island of Pinta in May 2010.


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