Genetic analysis of porcine circovirus type 2 (PCV2) strains isolated between 2001 and 2009: genotype PCV2b predominate in postweaning multisystemic wasting syndrome occurrences in eastern China.

Abstract excerpt

Porcine circovirus type 2 (PCV2) is the essential infectious agent of postweaning multisystemic wasting syndrome (PMWS). In the present study, we obtained sequences of 31 PCV2 isolates from different farms of 11 provinces of eastern China and analyzed the genetic characterization of 136 eastern China-derivate PCV2 isolated during 2001-2009. The results showed that these PCV2 isolates could be divided into two...

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