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Year 2017 - Volume 37, Number 6
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Chemical restraint of the Amazon Bamboo Rat (Dactylomys dactylinus Desmarest, 1817) and of the occurrence of the species in southern Brazil, 37(6):608-612
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ABSTRACT.- Koproski L. & Pachaly J.R. 2017. [Chemical restraint of the Amazon Bamboo Rat (Dactylomys dactylinus Desmarest, 1817) and of the occurrence of the species in southern Brazil.] Contenção farmacológica do rato-do-bambu (Dactylomys dactylinus Desmarest, 1817) e relato de ocorrência da espécie na região Sul do Brasil. Pesquisa Veterinária Brasileira 37(6):608-612. Instituto Brasileiro para a Medicina da Conservação (Tríade), Rua Silveira Lobo 32, Cx. Postal 48, Recife, PE 52061-031, Brazil. E-mail: leticia@triade.org.br
One subadult healthy free-living female Amazon Bamboo Rat (Dactylomys dactylinus), weighting 0.32 kg, received tiletamine HCl, zolazepam HCl, xilazine HCl and atropine sulfate, combined in a single intramuscular injection. All doses were calculated by interspecific allometric scaling, using as model a 10.0 kg domestic dog (tiletamine/zolazepam -5.0mg/kg), xylazine -1.0mg/kg), and atropine - 0.05mg/kg). Immobilization occurred in 2.3 minutes after injection (MAI) and returno to normal ambulation was observed in 135 MAI. Heart rate remained between 360 and 188 beats/minute (226±62), respiratory rate between 128 and 112 breaths/minute (120±5), and body temperature ranged from 36.2 to 33.5°C (34.4±1.0). Analgesia and myorelaxation were considered good for painless or mild painful fast procedures as physical examination, biological sampling, biometrics, imaging tests and tagging. The proposed anesthetic protocol was safe and effective, allowing safe manipulation of the animal during 63 MAI. The recovery was satisfactory, but prolonged. This is the first record of the species in Southern Brazil and the first report on its chemical restraint. |
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