Diagnosis of tuberculosis in non-human primates through intradermal testing in wildlife centers in the city of Guayaquil, Ecuador

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José Alberto Echeverría Alcívar
Thara Carolina Cango Rivadeneira
Melissa Joseth Carvajal Capa
Fabiola Lissette Jiménez Valenzuela
Irina Trejo Cedeño

Abstract

Tuberculosis is a zoonotic disease of public health danger. Non-human primates are a susceptible group, being the objective of the present investigation to determine positive cases of tuberculosis and to correlate the risk factors with the degrees of reaction presented. Intradermal tuberculin was the test of choice in the present study, oriented under an experimental intention, quantitative approach, applied type. The total population of non-human primates in captivity in two Wild Animal Rescue Centers in the city of Guayaquil was examined by inoculating 13 specimens with 0.1 ml of intradermal Bovine PPD Tuberculin in the right eyelid. Subsequently, the degrees of postinoculation reaction were evaluated under a criterion of 0 to 5 during 24, 48 and 72 hours. The result was 0% of positive cases detected, with grade 1 reaction in two primates, attributing the reaction according to the clinical history, to the close human-animal contact as a possible risk factor. Thus concluding that there is no difference between the risk factors with respect to the reactions presented by the primates, however, there is a difference in the number of reactions in relation to the registered primates.


 

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Echeverría Alcívar, J. A. ., Cango Rivadeneira, T. C. ., Carvajal Capa, M. J. ., Jiménez Valenzuela, F. L. ., & Trejo Cedeño, I. . (2025). Diagnosis of tuberculosis in non-human primates through intradermal testing in wildlife centers in the city of Guayaquil, Ecuador . Centrosur Agraria, 1(24), 27–41. https://doi.org/10.37959/revista.v1i24.279
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