| analysis of genetic variation of porcine reproductive and respiratory syndrome virus (prrsv) isolates in central china. | porcine reproductive and respiratory syndrome virus (prrsv) is an epidemic etiology in pigs of all ages causing reproductive failure and respiratory manifestation. prrsv has been circulating in chinese pig farms for almost 20 years. the aim of the present study was to fully understand the extent of the genetic diversity and molecular characteristics of prrsvs in central china. a strain of prrsv isolated from a recent outbreak farm in hunan province in central china, designated hun-2014, was sequ ... | 2016 | 26781704 |