Seroprevalence to pathogenic leptospira in Peruvian alpacas and vicuñas

A. Raúl Rosadio; A. Álvaro Veliz; D. Hugo Castillo; L. Katherine Yaya; H. Antony Rodríguez; G. Hermelinda Rivera; Jane C. Wheeler

doi:10.1016/j.smallrumres.2015.08.001

Seroprevalence to pathogenic leptospira in Peruvian alpacas and vicuñas

A. Raúl Rosadio, A. Álvaro Veliz, D. Hugo Castillo, L. Katherine Yaya, H. Antony Rodríguez, G. Hermelinda Rivera, Jane C. Wheeler

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Micro agglutination testing was used to detect specific antibodies against five pathogenic Leptospiraserovars ( icterohaemorrhagiae, pomona, canicola, wolfii and ballum) in 793 alpaca and 195 vicuña serum samples collected in the Huancavelica and Ayacucho Departments of Peru. The study revealed that 89.6% of the alpacas and 77.4% of the vicuñas were positive to one or more serovars. In alpacas, the titers varied from 1:100 to 1:1600 for reactions to icterohaemorrhagiae (43.4%) and pomona (37.8%), whereas among vicuñas titers varied from 1:100 to 1:400 for reactions to the same serovarsi. cterohaemorrhagiae (69.2%) and pomona (8.2%). The alpacas also had antibodies to canicola (7.8%) and wolfii (0.6%). These results show that these animals had previous exposure to 4 of the 5 serovars tested, and the elevated titers to icterohaemorrhagiae and pomona in alpacas suggest a recent infection event.

Original language	English
Pages (from-to)	256-259
Number of pages	4
Journal	Small Ruminant Research
Volume	130
DOIs	https://doi.org/10.1016/j.smallrumres.2015.08.001
State	Published - 1 Sep 2015

Bibliographical note

Funding Information:
The sampling was performed under Contract No. PLNG-EV-08032 “Camelid Health Management in Highland Communities Located within the Area of Influence of the project Perú LNG Project in Huancavelica and Ayacucho—Programa de manejo sanitario de camélidos en comunidades alto andinas del área de influencia del proyecto Perú LNG”, conducted by the Institute for Research and Development of South American Camelids—CONOPA.

Publisher Copyright:
© 2015 Elsevier B.V..

Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.

Keywords

Alpaca
Icterohaemorrhagiae
Leptospiraantibodies
Peru
Pomona
Vicuña

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title = "Seroprevalence to pathogenic leptospira in Peruvian alpacas and vicu{\~n}as",

abstract = "Micro agglutination testing was used to detect specific antibodies against five pathogenic Leptospiraserovars ( icterohaemorrhagiae, pomona, canicola, wolfii and ballum) in 793 alpaca and 195 vicu{\~n}a serum samples collected in the Huancavelica and Ayacucho Departments of Peru. The study revealed that 89.6% of the alpacas and 77.4% of the vicu{\~n}as were positive to one or more serovars. In alpacas, the titers varied from 1:100 to 1:1600 for reactions to icterohaemorrhagiae (43.4%) and pomona (37.8%), whereas among vicu{\~n}as titers varied from 1:100 to 1:400 for reactions to the same serovarsi. cterohaemorrhagiae (69.2%) and pomona (8.2%). The alpacas also had antibodies to canicola (7.8%) and wolfii (0.6%). These results show that these animals had previous exposure to 4 of the 5 serovars tested, and the elevated titers to icterohaemorrhagiae and pomona in alpacas suggest a recent infection event.",

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AU - Rosadio, A. Raúl

AU - Veliz, A. Álvaro

AU - Castillo, D. Hugo

AU - Yaya, L. Katherine

AU - Rodríguez, H. Antony

AU - Rivera, G. Hermelinda

AU - Wheeler, Jane C.

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AB - Micro agglutination testing was used to detect specific antibodies against five pathogenic Leptospiraserovars ( icterohaemorrhagiae, pomona, canicola, wolfii and ballum) in 793 alpaca and 195 vicuña serum samples collected in the Huancavelica and Ayacucho Departments of Peru. The study revealed that 89.6% of the alpacas and 77.4% of the vicuñas were positive to one or more serovars. In alpacas, the titers varied from 1:100 to 1:1600 for reactions to icterohaemorrhagiae (43.4%) and pomona (37.8%), whereas among vicuñas titers varied from 1:100 to 1:400 for reactions to the same serovarsi. cterohaemorrhagiae (69.2%) and pomona (8.2%). The alpacas also had antibodies to canicola (7.8%) and wolfii (0.6%). These results show that these animals had previous exposure to 4 of the 5 serovars tested, and the elevated titers to icterohaemorrhagiae and pomona in alpacas suggest a recent infection event.

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Seroprevalence to pathogenic leptospira in Peruvian alpacas and vicuñas

Abstract

Bibliographical note

Keywords

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