Genetic diversity of the orf5 gene of type 1 porcine reproductive and respiratory syndrome virus isolates in Serbian swine herds from 2012 to 2022

Porcine reproductive and respiratory syndrome virus CPRRSV) is the causative agent of a devastating pig disease worldwide, which is endemic in many countries, including the Serbia. Only limited epidemiological or molecular studies has been published on circulating PRRS-viruses in the Serbia since the early nineties. Therefore, the aim of this study is to investigate the genetic diversity of circulating PRRS-viruses in Serbia in the last ten years, by comparing the nucleotid€ sequences obtained for ORF5, wlth the ORF5 sequences of PRRSV 1 subtype 1.