CircovirusCircoviridae InfectionsWasting SyndromePorcine Postweaning Multisystemic Wasting SyndromeSwine DiseasesSwineCircoviridaeParvovirus, PorcinePorcine respiratory and reproductive syndrome virusDNA, ViralPorcine Reproductive and Respiratory SyndromeGenome, ViralAntibodies, ViralCapsid ProteinsColostrumViral VaccinesViremiaWeaningPolymerase Chain ReactionBird DiseasesOpen Reading FramesPsittaciformesTorque teno virusMolecular Sequence DataVirus SheddingPneumococcal VaccinesAbortion, Veterinary