Investigating ThePrevalence of Novel Porcine Circovirus 3 (PCV3) in Pig Populations in The North of Vietnam

Received: 02-11-2017

Accepted: 28-11-2017

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Issue: Vol. 15 No. 11 (2017)

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CHĂN NUÔI – THÚ Y – THỦY SẢN

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Quan, P., Giap, N., Thuy, N., Hoat, P., & Le, H. (2024). Investigating ThePrevalence of Novel Porcine Circovirus 3 (PCV3) in Pig Populations in The North of Vietnam. Vietnam Journal of Agricultural Sciences, 15(11), 1520–1528. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/1392

Investigating ThePrevalence of Novel Porcine Circovirus 3 (PCV3) in Pig Populations in The North of Vietnam

Pham Hong Quan (*) 1 , Nguyen Van Giap 2 , Nguyen Thi Thanh Thuy 3 , Pham Cong Hoat 4 , Huynh Thi My Le 2

  • 1 Phòng Thú y Thủy sản, Cục Thú y
  • 2 Khoa Thú y, Học viện Nông nghiệp Việt Nam
  • 3 K58, Khoa Thú y, Học viện Nông nghiệp Việt Nam
  • 4 Bộ Khoa học và Công nghệ

    • Keywords

    Porcine circovirus 3, pig, Vietnam

    Abstract


    Circoviruses has been detected in diverse animal species, including sus scrofa. To date, only PCV2 is demonstrated as a causalagent of porcine circovirus associated diseases. In 2015, a novel circovirus (Porcine circovirus 3, PCV3) was detected for the first time from pigs suffered from porcine dermatitis and nephropathy syndrome and reproductive failure. Since then, PCV3 has been reported in several pig producing countries. This study was carriedout to investigate the presence and the prevalence of PCV3 in the pig populations in northern Vietnam. The PCR screening detected the presence of PCV3 in 6 out of 135 samples (4.44%) collected from7 Northern provinces in 2011 and 2016-2017and fivestrains were successfully sequenced. The capsid coding gene (ORF2) of 5 strains were 642 bases in length, containing39 point nucleotide mutations and 9 mutations were non-synonymous. The phylogenetic analysis on the basisof ORF2 gene suggested that 5 Vietnamese PCV3 strains belonged to PCV3bgenetic cluster, of which, 4 out of 5 strains were clustered closely with Chinese PCV3 strains.

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