Porcine circovirus 2 and 3 in wild boars in Southern Brazil

ABSTRACT: Porcine circovirus 2 (PCV2) has a considerable economic impact on the pork industry worldwide for more than two decades. In 2016, new circovirus, porcine 3 (PCV3), was described; since then, it been reported to be associated with diseased or even in clinically healthy swine several countries. Considering importance of wild boars as reservoirs pathogens and extensive distribution these animals Rio Grande do Sul throughout national territory, we searched PCV2 PCV3 twenty-six coupled necropsy histologic examination sampled animals. Using PCR, 182 tissue samples were analyzed, including heart, kidneys, liver, lung, lymph nodes, spleen, tonsils. detected 57.7% (15/26) 15.4% (4/26) boars, respectively. Furthermore, co-infection one animals, DNA detection multiple organs. Histological showed mild moderate multifocal lymphoplasmacytic interstitial nephritis distributed randomly renal cortex, apparently unrelated detection. The boar population Brazil is extensive, indicating presence larger number pathogen hosts. present study, half harbored PCV2; although less frequently, also detected. Therefore, free-living can serve circoviruses southern Brazil.