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The circulation of unique reassortment strains of infectious bursal disease virus in Pakistan

文献类型： 外文期刊

作者： Hussain, Altaf 1 ; Wu Tian-tian 1 ; Fan Lin-jin 1 ; Wang Yu-long 1 ; Muhammad, Farooq Khalid 4 ; Nan, Jiang 1 ; Li, Ga 1 ;

作者机构： 1.Chinese Acad Agr Sci, Harbin Vet Res Inst, Div Avian Infect Dis, State Key Lab Vet Biotechnol, Harbin 150069, Peoples R China

2.Chinese Acad Agr Sci, Harbin Vet Res Inst, OIE Reference Lab Infect Bursal Dis, Harbin 150069, Peoples R China

3.Jiangsu Coinnovat Ctr Prevent & Control Important, Yangzhou 225009, Jiangsu, Peoples R China

4.Univ Agr Faisalabad, Subcampus Toba Tek Singh, Faisalabad 38040, Pakistan

5.Univ Vet & Anim Sci, Pathol Dept, Lahore 54660, Pakistan

6.Univ Agr Faisalabad, Inst Microbiol, Faisalabad 38040, Pakistan

7.Ohio State Univ, Dept Anim Sci, Columbus, OH 43210 USA

关键词： infectious bursal disease virus; circulating strains; reassortant; Pakistan

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2020 年 19 卷 7 期

页码：

收录情况： SCI

摘要： Infectious bursal disease (IBD), caused by IBD virus (IBDV), is one of the most devastating and immunosuppressive diseases of the poultry and has been a constraint on the sustainable poultry production around the globe including Pakistan. While the disease is threatening the poultry industry, the nature of predominant strains of IBDV in Pakistan remained ill-defined. In this study, an epidemiology survey was conducted in the main chicken-farming regions of Pakistan. The batch of Pakistan IBDVs genes simultaneously covering both VP1 and VP2 were amplified, sequenced, and analyzed. The unique segment-reassortant IBDVs (vv-A/Uniq-B), carrying segment A from vvIBDV and segment B from one unique ancestor, were identified as one important type of circulating strains in Pakistan. The data also discovered the characteristic molecular features of Pakistan IBDVs, which will contribute to scientific vaccine selection and effective prevention of the disease.

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