Received: 19-05-2020 / Accepted: 24-06-2020
Porcine Parvovirus (PPV1) is one of the main pathogens inducing reproductive failure in sows. PPV1 is also known as a triggering factor of porcine circovirus type 2. In Vietnam, the presence of PPV1 and its association with reproductive disorders of sows had been confirmed. However, few publications are available on this topic. This study investigated the occurrence of PPV1 in growing pigs risen in Hanoi and neighboring provinces by serology test, PCR and genetic analysis. It was revealed that 88.2% (60/68) sera contained detectable antibodies against PPV1. Of these, 18/60 sera had high antibody titres (HI >1/512). The viremia was detected at a high frequency (10 out of 18 tested sera) and was uncorrelated with the level of antibody titers against PPV1. The genetic analysis based on the partial NS1- protein-coding gene showed that 10 PPV1 field strains were within genogroup 1. In combination with the other studies, the current result supported that PPV1 is circulating in pigs in Vietnam.