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Revista de Medicina Veterinaria
Print version ISSN 0122-9354On-line version ISSN 2389-8526
Abstract
BERRA, Yanina et al. Eco-environmental Factors Related to Potential Reservoirs of Leptospira spp. in the Costanera Sur Ecological Reserve, Buenos Aires, Argentina. Rev. Med. Vet. [online]. 2021, n.43, pp.97-116. Epub Apr 20, 2022. ISSN 0122-9354. https://doi.org/10.19052/mv.vol1.iss43.10.
Environmental modifications generate interface environments in which Leptospira spp. transmission may be affected. In order to identify and analyze eco-environmental variables associated with potential reservoirs of Leptospira spp. in the Reserva Ecológica Costanera Sur (RECS) (Buenos Aires, Argentina) and adjacent urbanized areas, a stratified and proportionate transect line convenience sampling was carried out. A total of 170 mammals of 11 species were captured and analyzed for the presence of Leptospira spp. by serology, culture and PCR. In conserved areas, Didelphis albiventris and Deltamys kempi were mostly recorded, while Oligoryzomys flavescens was also found in degraded areas, and Rattus norvegicus was only found in degraded areas. Leptospira spp. were not detected in wild mammals. One dog without a responsible keeper tested positive by serology. The environmental conditions of the RECS suggest a poor ecosystem for Rattus, demonstrating the importance of the conservation of natural areas in urban environments.
Keywords : Leptospira spp.; reservoirs; wild animals; environment; One Health.