| first identification of porcine parvovirus 7 in china. | porcine parvovirus (ppv) are small, non-enveloped and single-stranded dna viruses, taxonomically classifiable within the family parvoviridae. seven ppv genotypes (ppv1 to ppv7) have been identified to date. ppv7, the most recently discovered ppv genotype, was first reported in us pigs in 2016. to explore ppv7 status in chinese pig populations a total of 64 serum samples collected from two commercial farms in guangdong province in 2014 were analyzed. ppv7 dna was detected in 32.8% (21/64) of test ... | 2018 | 29022179 |