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Título : Gastrointestinal parasites in captive and free-ranging Cebus albifrons in the Western Amazon, Ecuador
Autor : Martin Solano, Sarah
Carrillo, Gabriel A.
Ramirez, William
Celi Erazo, Maritza Liliana
Huynen, Marie
Levecke, Bruno
Benítez Ortiz, Washington Vicente
Losson, Bertrand
Palabras clave : cebus albifrons
prevalence
parasite richness
Amazonian Ecuador
Fecha de publicación : 16-jun-2017
Editorial : Quito
Citación : Martin S., Carrillo G., Celi M., Benitez W. & Others (2017). Gastrointestinal parasites in captive and free-ranging Cebus albifrons in the Western Amazon, Ecuador. International Journal for Parasitology: Parasites and Wildlife 6
Resumen : Currently, there is a lack of surveys that report the occurrence of gastrointestinal parasites in the whiteheaded capuchin monkey (Cebus albifrons). We therefore assessed the presence and richness (¼ number of different parasite genera) of parasites in C. albifrons in wildlife refuges (n ¼ 11) and in a free-ranging group near a human village (n ¼ 15) in the Ecuadorian Amazon. In the 78 samples collected (median of 3 samples per animal), we identified a total of 6 genera of gastrointestinal parasites, representing protozoa, nematodes, acanthocephalans and cestodes. We observed a high prevalence (84%) across the 26 individuals, with the most prevalent parasite being Strongyloides sp. (76.9%), followed by Hymenolepis sp. (38.5%) and Prosthenorchis elegans (11.5%). We found Entamoeba histolytica/dispar/moskovskii/nuttalli and Capillaria sp. in only a minority of the animals (3.8%). In addition, we observed unidentified strongyles in approximately one-third of the animals (34.6%). We found a total of 6 parasite genera for the adult age group, which showed higher parasite richness than the subadult age group (5) and the juvenile age group (3). Faecal egg/cyst counts were not significantly different between captive and free-ranging individuals or between sexes or age groups. The free-ranging group had a higher prevalence than the captive group; however, this difference was not significant. The only genus common to captive and freeranging individuals was Strongyloides sp. The high prevalence of gastrointestinal parasites and the presence of Strongyloides in both populations support results from previous studies in Cebus species. This high prevalence could be related to the high degree of humidity in the region. For the free-ranging group, additional studies are required to gain insights into the differences in parasite prevalence and intensity between age and sex groups. Additionally, our study demonstrated that a serial sampling of each individual increases the test sensitivity
URI : http://www.dspace.uce.edu.ec/handle/25000/18358
ISSN : 2213-2244
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