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Comparative epidemiology of porcine circovirus type 3 in pigs with different clinical presentations.


ABSTRACT: Porcine circovirus type 3 (PCV3), as an emerging circovirus species, was reported to be widely circulating in the United States, China, South Korea and Poland. Previous studies revealed that PCV3 was mainly concentrated in sick animals with respiratory disease, skin disease, reproductive disorders and so on. However, the circulating status of PCV3 in pigs with other clinical presentations (especilly asymptomatic or diarrhea) was not well established.In this study, to conduct a comparative epidemiological survey of PCV3, 80 weaned pig serum samples with severe respiratory disease (SRD), 175 weaned pig serum samples with mild respiratory disease (MRD), 216 asymptomatic weaned pig serum samples, 35 diarrheal weaned pig samples and 35 non-diarrheal weaned pig samples were collected from eight provinces of China. Via qPCR testing, PCV3 was circulating in all sampling provinces, with total positive rates varying from 1.04% to 100%. Interestingly, the PCV3-positive rate was significantly higher in weaned pigs with SRD (63.75%, 51/80) than in those weaned pigs with MRD (13.14%, 23/175) and asymptomatic pigs (1.85%, 4/216) (P?

SUBMITTER: Zhai SL 

PROVIDER: S-EPMC5683367 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Comparative epidemiology of porcine circovirus type 3 in pigs with different clinical presentations.

Zhai Shao-Lun SL   Zhou Xia X   Zhang He H   Hause Ben M BM   Lin Tao T   Liu Runxia R   Chen Qin-Ling QL   Wei Wen-Kang WK   Lv Dian-Hong DH   Wen Xiao-Hui XH   Li Feng F   Wang Dan D  

Virology journal 20171113 1


<h4>Background</h4>Porcine circovirus type 3 (PCV3), as an emerging circovirus species, was reported to be widely circulating in the United States, China, South Korea and Poland. Previous studies revealed that PCV3 was mainly concentrated in sick animals with respiratory disease, skin disease, reproductive disorders and so on. However, the circulating status of PCV3 in pigs with other clinical presentations (especilly asymptomatic or diarrhea) was not well established.<h4>Findings</h4>In this st  ...[more]

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