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Effective Field Immobilization of Andean Fox (Lycalopex culpaeus) with Ketamine-Dexmedetomidine and Antagonism with Atipamezole.

Authors
  • Chirife, Andrea D1
  • Cevidanes, Aitor2
  • Millán, Javier1
  • 1 Facultad de Ciencias de la Vida, Universidad Andres Bello, República 252, Santiago, Chile. , (Chile)
  • 2 PhD Program in Conservation Medicine, Facultad de Ciencias de la Vida, Universidad Andres Bello, República 252, Santiago, Chile. , (Chile)
Type
Published Article
Journal
Journal of wildlife diseases
Publication Date
Nov 21, 2019
Identifiers
PMID: 31750774
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

A combination (mean±standard deviation) of ketamine (4.0±1.0 mg/kg in juveniles and 3.0±0.4 in adults) and dexmedetomidine (0.055±0.01 and 0.049±0.01, respectively), reversed with atipamezole (at 10 mg/mg of dexmedetomidine), was assessed in 57 Andean foxes (Lycalopex culpaeus) in field conditions. Induction times in juveniles and adults were 4.6±3.9 min and 4.3±2.4 min, respectively. Immobilization was smooth and safe, and lasted 50±8 min in juveniles and 50±10 min in adults. Full recovery was recorded at 40±29 min in juveniles and 37±23 min in adults after atipamezole administration. Drug dose, season, body temperature, and fox sex and body condition were not related to variations in induction and recovery times, body temperature, heart rate, respiratory rate, or hemoglobin oxygen saturation. No side effects were observed other than a slight but significant decrease in mean body temperature during the procedure. This combination allowed carrying out all the typical procedures of a research project, including the collection of several biologic samples.

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