文献类型: 外文期刊
第一作者: Deng, Yu
作者: Deng, Yu;Sun, Chun-Qing;Lin, Tao;Yuan, Shi-Shan;Zhang, Hong-Biao;Zhai, Shao-Lun;Huang, Lv;Shan, Tong-Ling;Zheng, Hao;Tong, Guang-Zhi;Deng, Yu;Cao, San-Jie;Shan, Tong-Ling;Wen, Xin-Tian;Deng, Yu
作者机构:
关键词: Bovine viral diarrhea virus;5-UTR;Pigs;Phylogenetic analysis
期刊名称:VETERINARY MICROBIOLOGY ( 影响因子:3.293; 五年影响因子:3.599 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Nested RT-PCR was used to investigate bovine viral diarrhea virus in 511 specimens collected from Chinese pigs exhibiting clinical symptoms between 2007 and 2010. Of these, 137 samples were BVDV-positive and the BVDV prevalence rate was 23.1% (9/39) in 2007, 27.7% (44/159) in 2008, 33.6% (34/101) in 2009, and 23.6% (50/212) in 2010. Twenty of 137 BVDV-positive samples were used for further genetic analysis of the 5′-UTR. Phylogenetic analysis revealed that they were BVDV-1 and subtyped into BVDV-1a, BVDV-1b, BVDV-1m, BVDV-1o and an unknown subgenotype. This study showed that BVDVs were highly prevalent in Chinese pig herds and appropriate measures should be taken to control BVDV prevalence in pig herds.
分类号: S8
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