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Coinfection with infectious precocity virus and Decapod iridescent virus 1 in farmed giant freshwater prawn ( Macrobrachium rosenbergii )

文献类型： 外文期刊

作者： Wang, Guohao 1 ; Guo, Xiaomeng 1 ; Zhou, Chengyan 1 ; Lou, Haoyu 3 ; Li, Xuan 3 ; Yao, Jiayun 2 ; Dong, Xuan 3 ; Yang, Guoliang 5 ; Huang, Jie 1 ;

作者机构： 1.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China

2.Zhejiang Inst Freshwater Fisheries, Key Lab Fish Hlth & Nutr Zhejiang Prov, Key Lab Healthy Freshwater Aquaculture, Minist Agr & Rural Areas, Huzhou 313001, Peoples R China

3.Chinese Acad Fishery Sci, Qingdao Marine Sci & Technol Ctr, Minist Agr & Rural Affairs, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Peoples R China

4.Qingdao Univ Sci & Technol, Coll Marine Sci & Biol Engn, Qingdao 266110, Peoples R China

5.Jiangsu Shufeng Prawn Breeding Co LTD, Gaoyou 225600, Peoples R China

6.Network Aquaculture Ctr Asia Pacific, Bangkok 10900, Thailand

7.106 Nanjing Rd, Qingdao 266071, Shandong, Peoples R China

关键词： IPV; DIV1; Coinfection; Macrobrachium rosenbergii

期刊名称：AQUACULTURE （ 影响因子：4.5； 五年影响因子：4.6 ）

ISSN： 0044-8486

年卷期： 2024 年 586 卷

页码：

收录情况： SCI

摘要： In the past few years, outbreaks of infections with infectious precocious virus (IPV) and Decapod iridescent virus 1 (DIV1) have significantly hindered the development of the aquaculture industry of giant freshwater prawn ( Macrobrachium rosenbergii ) and caused severe economic losses in China. To understand the epidemiological information of farmed M. rosenbergii , we collected 79 samples from 23 farming ponds in Jiangsu Province from 2022 to 2023 and detected 8 common pathogens. The results showed that IPV and DIV1 could be detected in collected samples. Infections with IPV or DIV1 and the resulting diseases were confirmed by clinical signs, histopathologic examination, and qPCR. At the same time, we found coinfection with IPV and DIV1 in the same individuals by clinical diagnosis, histopathologic examination, and molecular testing. However, iron prawn syndrome (IPS) or IPS equivale and clinical infection with DIV1 (iDIV1) cases showed mutual exclusion in individuals and ponds. The results revealed significant differences in loads of the two viruses in the same individuals and ponds, with an overall negative correlation. This is the first report of coinfection with IPV and DIV1 in farmed M. rosenbergii .

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