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Mastozoología neotropical
Print version ISSN 0327-9383On-line version ISSN 1666-0536
Abstract
CORRIALE, María José; ARIAS, Santiago M.; PORINI, Gustavo M. and BO, Roberto F.. Cage trapping and bait evaluation for the capture of alive individuals of Myocastor coypus. Mastozool. neotrop. [online]. 2008, vol.15, n.2, pp.173-179. ISSN 0327-9383.
The goal of this study was to compare two types of cage traps designed for the capture of Myocastor coypus in order to bring adequate management tools for population studies of the species, without killing the animals. Capture efficiency (E), probability of capture, inefficacy (I) and selectivity (S) of the traps were analyzed. We also evaluate the preference for different types of bait. In six ponds of the Buenos Aires Golf Field removal captures were accomplished using traps of the "Tomahawk" type made with different meshes and baits. We evaluated selection and preference and we estimated traps' E, I, and S. We did not find any difference between cage trap types (p>0.05) nor bait (p>0.05). Means of E, I and S were 0.2, 0.07 and 0.97 respectively. Even if the E was low during this study, it was higher than the one obtained by other authors. Taking into account the low value obtained for I and the high S obtained for the trap, we consider that the methodology used is adequate to capture M. coypus, at least in similar conditions as the one present for this study.
Keywords : Baits; Cage trap; Capture efficiency; Live trapping.