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dc.contributor.author
Florentin, Andrea Soledad
dc.contributor.author
Garcia Perez, Herakles A.
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Rodrigues, Carla M.F.
dc.contributor.author
Dubois, Eugenio Fernando
dc.contributor.author
Monzon, Carlos Manuel
dc.contributor.author
Teixeira, Marta M. G.
dc.date.available
2021-08-04T13:33:54Z
dc.date.issued
2021-04
dc.identifier.citation
Florentin, Andrea Soledad; Garcia Perez, Herakles A.; Rodrigues, Carla M.F.; Dubois, Eugenio Fernando; Monzon, Carlos Manuel; et al.; Molecular epidemiological insights into trypanosoma vivax in Argentina: from the endemic Gran Chaco to outbreaks in the pampas; Wiley Blackwell Publishing, Inc; Transboundary And Emerging Diseases; 4-2021; 1-11
dc.identifier.issn
1865-1674
dc.identifier.uri
http://hdl.handle.net/11336/137752
dc.description.abstract
Argentina is a home to millions of beef and dairy cattle and is one of the world's major exporters of meat. In the present study, Trypanosoma vivax was prevalent (2016–2018) in two major livestock farming regions, the Gran Chaco and the Pampas. In the Gran Chaco, 29% and 51% of animals (n = 72, taurine x zebuine crossbreed) were, respectively, positive by TviCATL-PCR and the more sensitive fluorescent fragment length barcoding (FFLB) method. While 18.4/38.8% of breeding cows (n = 49) tested positive by PCR/FFLB, infection increased to 52.2/78.3% in an outbreak of acute infection in steers (n = 23, taurine breed) brought from a non-endemic area. In the Pampas, overall infection rates in dairy cows (n = 54, taurine breed) were comparable (p >.01) between PCR (66.7%) and FFLB (62.9%) and showed a remarkable increase (PCR / FFLB) from 48.3/44.8% in 2017 to 88/84% in 2018. Infected dairy cattle exhibited anaemia, fever, anorexia, enlarged lymph nodes, emaciation and neurological signs. In contrast, beef cows (taurine x zebuine crossbreed) from the Pampas (n = 30) were asymptomatic despite exhibiting 16.7% (PCR) and 53.3% (FFLB) infection rates. Microsatellite genotyping revealed a remarkable microheterogeneity, seven genotypes in the Gran Chaco, nine in the Pampas and five shared between both regions, consistent with regular movement of T. vivax infected livestock. Data gathered in our study support the Gran Chaco being an endemic area for T. vivax, whereas the Pampas emerged as an outbreak area of acute infection in dairy cattle with critical negative impact in milk production. To the best of our knowledge, this is the first molecular study of T. vivax in Argentina, and results indicated the need for preventive measures to control T. vivax spread from the Gran Chaco to vast livestock farming areas across Argentina.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
DAIRY CATTLE
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ENDEMIC AREA
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GENOTYPING
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MOLECULAR DIAGNOSIS
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OUTBREAK
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PARASITE SPREADING
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TRYPANOSOMA VIVAX
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Otras Ciencias Veterinarias
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Ciencias Veterinarias
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CIENCIAS AGRÍCOLAS
dc.title
Molecular epidemiological insights into trypanosoma vivax in Argentina: from the endemic Gran Chaco to outbreaks in the pampas
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-07-30T18:49:29Z
dc.identifier.eissn
1865-1674
dc.journal.pagination
1-11
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Florentin, Andrea Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Formosa. Provincia de Formosa. Centro de Investigaciones y Transferencia de Formosa. Universidad Nacional de Formosa. Centro de Investigaciones y Transferencia de Formosa; Argentina
dc.description.fil
Fil: Garcia Perez, Herakles A.. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Rodrigues, Carla M.F.. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Dubois, Eugenio Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Formosa. Provincia de Formosa. Centro de Investigaciones y Transferencia de Formosa. Universidad Nacional de Formosa. Centro de Investigaciones y Transferencia de Formosa; Argentina
dc.description.fil
Fil: Monzon, Carlos Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Formosa. Provincia de Formosa. Centro de Investigaciones y Transferencia de Formosa. Universidad Nacional de Formosa. Centro de Investigaciones y Transferencia de Formosa; Argentina
dc.description.fil
Fil: Teixeira, Marta M. G.. Universidade de Sao Paulo; Brasil
dc.journal.title
Transboundary And Emerging Diseases
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/tbed.14103
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/tbed.14103
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