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First detection and genetic characterization of porcine circovirus type 3 (PCV3) in Argentina and its association with reproductive failure
Abstract
Porcine circovirus type 3 (PCV3) is considered a new circovirus and since it first description has been widely reported in most of the swine producing countries. Multisystemic inflammation and reproductive failure are consistent and concerning issues associated with PCV3 infection. This report describes the clinical and pathological features of a chronic reproductive disorder in a swine‐herd in Argentina associated with the presence of PCV3. Mummified
[ver mas...]
Porcine circovirus type 3 (PCV3) is considered a new circovirus and since it first description has been widely reported in most of the swine producing countries. Multisystemic inflammation and reproductive failure are consistent and concerning issues associated with PCV3 infection. This report describes the clinical and pathological features of a chronic reproductive disorder in a swine‐herd in Argentina associated with the presence of PCV3. Mummified (n=42) and stillborn piglets (n=20) from a case of chronic reproductive disorder (Study A) and mummified and stillborn piglets (n=141) from normal deliveries (Study B) were retrospectively assessed for the presence of multiple reproductive pathogens (PCV3, PCV2, ADV, PPV, Leptospira spp., and Brucella spp). On study, A PCV3 and PPV were detected in 15 and 8 pools respectively with a coinfection rate of 100% in all PPV positive cases. Three out of 131 fetuses from three different sows from Study B were positive only for PCV3. Histological evaluation of hearts from stillborn also showed lesions similar to those previously described in the literature for PCV3‐reproductive disease. Partial genome of PCV3 was amplified and phylogenetic analysis showed that strains of Study A and B clustered within the PCV3a and PCV3b clades respectively. This study demonstrates, for the first time, the PCV3 has been circulating in Argentina at least since 2016 and its potential role in reproductive disorders. Further studies are warranted to determine the role of PCV3 in the reproductive disease complex and its prevalence in the swine industry in Argentina.
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![Thumbnail](/bitstream/handle/20.500.12123/8192/tbed.v67.5.cover.jpg?sequence=3&isAllowed=y)
Author
Serena, Maria Soledad;
Cappuccio, Javier Alejandro;
Barrales, Hernán;
Metz, German Ernesto;
Aspitia, C.G.;
Lozada, María Inés;
Perfumo, Carlos Juan;
Quiroga, María Alejandra;
Piñeyro, Pablo;
Echeverria, Maria Gabriela;
Fuente
Transboundary and Emerging Diseases (First published: 27 October 2020)
Date
2020-10-27
Editorial
Wiley
ISSN
1865-1674
1865-1682
1865-1682
Formato
pdf
Tipo de documento
artículo
Palabras Claves
Derechos de acceso
Embargado
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