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J Zoo Wildl Med ; 42(4): 623-33, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-22204057

RESUMO

Wild ring-tailed lemurs (Lemur catta) can be anesthetized with Telazol via blow dart, but improved techniques are needed so that each lemur is reliably induced with a single dart. Medetomidine-butorphanol (MB) is a good supplemental protocol to be administered once the lemurs are captured, but other protocols may provide longer periods of sedation and immobility. One possible way of increasing the efficacy of each dart is to increase the time it is retained in the leg. In this investigation, a "double-sleeve" technique was used to try to increase the time of dart retention. This technique used a standard silicone sleeve on the needle, along with a second sleeve at the needle hub. Induction values were compared between lemurs darted with double-sleeve needles and those induced with needles that each had a single silicone sleeve. Once the lemurs were induced, supplementation with MB (0.04 mg/kg and 0.2 mg/kg) was compared with supplementation with ketamine-medetomidine (KM) (10 mg/ kg and 0.04 mg/kg). Twenty-three lemurs were darted with Telazol by using single-sleeve needles, and 24 were darted with double-sleeve needles. The number of darts per lemur and number of escapes were not different between animals darted with a single sleeve compared with a double-sleeve; thus, there were no significant improvements in induction success with the double-sleeve technique. Adequate sedation and muscle relaxation were achieved with both MB and KM; however, lemurs that received MB were more relaxed and needed fewer additional supplements that those that received KM. Single-sleeve dart needles are recommended for Telazol induction of ring-tailed lemurs via blow dart and MB is preferable to KM for supplemental sedation and muscle relaxation.


Assuntos
Imobilização/veterinária , Lemur , Analgésicos Opioides/administração & dosagem , Analgésicos Opioides/farmacologia , Anestésicos Combinados/administração & dosagem , Anestésicos Combinados/farmacologia , Anestésicos Dissociativos/administração & dosagem , Anestésicos Dissociativos/farmacologia , Animais , Animais Selvagens , Butorfanol/administração & dosagem , Butorfanol/farmacologia , Relação Dose-Resposta a Droga , Feminino , Hipnóticos e Sedativos/administração & dosagem , Hipnóticos e Sedativos/farmacologia , Imobilização/instrumentação , Imobilização/métodos , Ketamina/administração & dosagem , Ketamina/farmacologia , Masculino , Medetomidina/administração & dosagem , Medetomidina/farmacologia
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