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Submitted January 18, 2024
Published 2024-01-24

Artículos

Vol. 26 No. 1 (2024): Tecnociencia

WEALTH AND PREVALENCE OF GASTROINTESTINAL PARASITES PRESENT IN TWO HOWLER MONKEY SUBSPECIES IN PANAMA (ALOUATTA: LACÉPÈDE, 1799) IN PANAMA


DOI https://doi.org/10.48204/j.tecno.v26n1.a4646

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References
DOI: 10.48204/j.tecno.v26n1.a4646

Published: 2024-01-24

How to Cite

Govea-Casas , E. G., Gutiérrez-Pineda , K. M., Ortega-Henríquez , M. F., Ramírez-Baker , L. A., De La Cruz , A. and Méndez-Carvajal , P. G. (2024) “ WEALTH AND PREVALENCE OF GASTROINTESTINAL PARASITES PRESENT IN TWO HOWLER MONKEY SUBSPECIES IN PANAMA (ALOUATTA: LACÉPÈDE, 1799) IN PANAMA”, Tecnociencia, 26(1), pp. 7–21. doi: 10.48204/j.tecno.v26n1.a4646.

Abstract

Our objective was to estimate the richness and prevalence of gastrointestinal parasites present in two subspecies of the howler monkey in Panama (Alouatta coibensis trabeata and Alouatta palliata aequatorialis). To locate the individuals, real roads were traveled in the township of Llano Grande, Ocú, Herrera (site 1) and the path of the Camino del Oleoducto of the Soberanía National Park (site 2), where we made a direct search in the canopy and an indirect search by trail (vocalizations) with Azimuth. For the collection of the samples, it was expected that the individuals defecated, then we took the superficial part of the feces to place them in containers with 10% formaldehyde. Achieving the collection of 15 samples at site 1 and 17 at site 2. We used the Ritchie method to process the samples and to identify the parasites we used a microscope with 10x and 40x objectives. A total richness of nine genera of parasites was found between both areas, with a gender difference of 20% according to the Whittaker (1960) index. In samples of A. c. trabeata (site 1) we calculated a parasite richness of seven, the parasite with the highest prevalence was Entamoeba sp., (66.7%). In samples of A. p. aequatorialis (site 2) we found a parasite richness of nine, the parasite with the highest prevalence was Ascaris sp. (64.7%). No differences were found in parasite richness (Chi2 =0.6, df=1, p=0.438).  The presence of some genera of parasites could indicate a possible anthropozoonosis, it is recommended to perform molecular tests to confirm the species.

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