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1 June 2010 Reversible Immobilization of Giant Otters (Pteronura brasiliensis) Using Medetomidine–Ketamine and Atipamezole
Sébastien H. Bauquier, Keith C. Hinshaw, Donna M. Ialeggio, Christopher L. Montgomery, Sandra Z. Perkowski
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Abstract

This communication reports a partially reversible chemical immobilization protocol used for translocation and veterinary care in giant otter (Pteronura brasiliensis; GO). Six GOs (three males and three females) weighing 24.8 ± 4.0 kg (mean ± SD) and ranging in age from 16 to 42 mo old were anesthetized with an i.m. combination of medetomidine (29 ± 3 µg/kg) and ketamine (3.9 ± 0.4 mg/kg). To perform all procedures, two otters required an additional dose of ketamine (1.5 mg/kg). Anesthesia was reversed with atipamezole i.m. (147 ± 14 mg/kg). The mean induction time and recovery times were 12 ± 5 and 4 min (range, 0–9 min), respectively, with an anesthesia time of 47 ± 16 min. According to these results, the combination of medetomidine (30 µg/kg i.m.) and ketamine (4 mg/kg i.m.) is a reasonable choice for inducing anesthesia in GOs.

Sébastien H. Bauquier, Keith C. Hinshaw, Donna M. Ialeggio, Christopher L. Montgomery, and Sandra Z. Perkowski "Reversible Immobilization of Giant Otters (Pteronura brasiliensis) Using Medetomidine–Ketamine and Atipamezole," Journal of Zoo and Wildlife Medicine 41(2), 346-349, (1 June 2010). https://doi.org/10.1638/2009-0174R1.1
Received: 2 September 2009; Published: 1 June 2010
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