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Emerging diseases
Porcine circovirus type 3: a threat to the pig industry?
  1. Giovanni Franzo,
  2. Matteo Legnardi,
  3. Claudia M. Tucciarone and
  4. Michele Drigo
  1. Francini Klaumann,
  2. Mascha Sohrmann and
  3. Joaquim SegalÉs
  1. Department of Animal Medicine, Production and Health, University of Padua, Viale dell’Università 16, 35020 Legnaro, Italy
  2. Centre de Recerca en Sanitat Animal, UAB-IRTA, Barcelona, Spain
  1. e-mail: giovanni.franzo{at}

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The recent discovery of porcine circovirus 3 (PCV3) has caused some concern among field veterinarians and brought the attention of the scientific world, likely because of some similarities with porcine circovirus 2 (PCV2). Several manuscripts reporting the detection of PCV3 and the presence of different clinical conditions have been published to date.1–5 A priori emphasis has been attributed to the association between PCV3 infections and clinical pathological conditions, even if little evidence is currently available to sustain this association.

We conducted a brief exploratory study in northern Italy: 116 samples (from 17 gilts, …

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