Abstract:Porcine reproductive and respiratory syndrome (PRRS) has been present in China for over 20 years. Due to the continuous mutation of PRRS virus (PRRSV), it causes significant economic losses to the pig industry annually. This study aimed to understand the genetic variation of the PRRSV-1 NSP2 gene in China. A total of 69 PRRSV-1 NSP2 strains, consisting of 25 Chinese and 44 foreign strains, were collected and their nucleotide and amino acid homology were analyzed. Results indicated that the nucleotide homology … Show more
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