Abstract

TARRAGONA, E.L. et al. Chemical immobilization and physiological evaluation of wild white eared opossums, Didelphis albiventris (Lund, 1841) of Santa Fe province, Argentina. InVet [online]. 2014, vol.16, n.2, pp.79-85. ISSN 1668-3498.

The objective of this study was to evaluate the effectiveness with a protocol for ketamine-diazepam anesthesia in 42 free life of D. albiventris specimens and determine what variables affect their success. The response variables evaluated were: if a dose supplementation was necessary and time needed for the desired effect of the drug in minutes. The independent variables were sex, weight, age, body condition, total length, heart rate, respiratory rate, temperature and activity. Larger sized individuals were more likely to need supplementation (p=0.0686). The females needed more time to reach the desired anesthetic plane (p=0.0008). Furthermore, the time needed to obtain the desired effect was greater in animals with heart rate and body temperature (p=0.0068, p=0.0013). The same situation occurred in individuals of greater weight and age (p=0.0057, p=0.0038)

Keywords : Marsupial; Didelphidae; Anaesthetic; Argentina.

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