Infection dynamics of porcine circovirus type 3 in longitudinally sampled pigs from four Spanish farms
Núñez, José Ignacio
Porcine circovirus type 3 (PCV-3) is a recently discovered virus in domestic pigs and wild boar. The virus has been described in pigs with different clinical/pathological presentations and healthy animals, but the dynamics of infection is currently unknown. The aim of this study was to longitudinally monitor PCV-3 infection in 152 pigs from four different healthy farms (A, B, C and D) by means of PCR in serum. The selected animals were sampled five (farm A) or six (farms B–D) times from weaning until the end of the fattening period. PCV-3 genome was found in pigs from all tested ages and farms; few animals had an apparent long-term infection (4–23 weeks). PCV-3 frequency of detection remained fairly uniform along tested ages within farms A and C, but was more variable among sampling times in farms B and D. Eight partial genome sequences were obtained from six different animals. Phylogenetic tree and pairwise distance analysis showed high similarity among sequences and with available genomes from different countries. This is the first study on PCV-3 infection dynamics in longitudinally sampled pigs. Most pigs got infection during their life, although PCV-3 did not appear to be linked with any specific age.
619 - Veterinària
BMJ Publishing Group
Is part of
Klaumann, Francini, Florencia Correa-Fiz, Marina Sibila, José Ignacio Núñez, and Joaquim Segalés. 2019. "Infection Dynamics Of Porcine Circovirus Type 3 In Longitudinally Sampled Pigs From Four Spanish Farms". Veterinary Record 184 (20): 619-619. BMJ. doi:10.1136/vr.105219.
Grant agreement number
INIA/Programa Estatal de I+D+I orientada a los retos de la sociedad/E-RTA2017-00007-00-00/ES/Impacto de la infección por un nuevo circovirus porcino (PCV3) en España: desarrollo de herramientas diagnósticas, asociación con enfermedad y exploración de métodos de prevención y control/
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- ARTICLES CIENTÍFICS 
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