Key result
Porcine parvovirus 7 DNA was detected in 24.0% of aborted pig fetuses and 74.9% of finishing pigs, indicating widespread circulation in Korean domestic pig farms.
Cross-Sectional (n=475)
Yes
This study provides the first evidence of PPV7 circulation and genetic diversity in Korean domestic pig farms.
Supports PPV7 surveillance in Korean swine herds; hypothesis-generating for reproductive impact and requires prospective validation.
Porcine parvovirus 7 (PPV7) was first detected in Korean pig farms in 2017. The detection rate of PPV7 DNA was 24.0% (30/125) in aborted pig fetuses and 74.9% (262/350) in finishing pigs, suggesting that PPV7 has circulated among Korean domestic pig farms. Phylogenetic analysis based on capsid protein amino acid sequences demonstrated that the nine isolated Korean strains (PPV-KA1-3 and PPV-KF1-6) were closely related to the previously reported USA and Chinese PPV7 strains. In addition, the Korean strains exhibit genetic diversity with both insertion and deletion mutations. This study contributes to the understanding of the molecular epidemiology of PPV7 in Korea.
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Ouh et al. (2018) conducted a cross-sectional in Porcine parvovirus 7 (PPV7) infection (n=475). Porcine parvovirus 7 (PPV7) exposure was evaluated on Detection rate of PPV7 DNA. Porcine parvovirus 7 DNA was detected in 24.0% of aborted pig fetuses and 74.9% of finishing pigs, indicating widespread circulation in Korean domestic pig farms.
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