An investigation of duck circovirus and co-infection in Cherry Valley ducks in Shandong Province, China

被引:61
|
作者
Zhang, Xingxiao [1 ]
Jiang, Shijin [1 ]
Wu, Jiaqiang [1 ]
Zhao, Qin [1 ]
Sun, Yani [1 ]
Kong, Yibo [1 ]
Li, Xiaoxia [1 ]
Yao, Meiling [1 ]
Chai, Tongjie [1 ]
机构
[1] Shandong Agr Univ, Coll Anim Sci & Vet Med, Res Ctr Anim Dis Control Engn, Tai An 271018, Shandong, Peoples R China
关键词
Cherry Valley duck; DuCV; Co-infection; POLYMERASE-CHAIN-REACTION; INFECTIONS; DIAGNOSIS; TESTS;
D O I
10.1016/j.vetmic.2008.07.005
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The co-infection of duck circovirus (DuCV) with Riemerella anatipestifer (RA) or/and Escherichia coli (E. coli) or/and duck hepatitis virus I (DHV-I) in Cherry Valley ducks in China's Shandong Province was investigated by using polymerase-chain-reaction (PCR)based methods. For this study, 742 ducks sampled at random from 70 duck farms during 2006-2007 were examined using PCR and dot-blot hybridisation (DBH) tests. Overall the DuCV infection rate was 33.29%. Compared with those at 2 weeks of age, the ducks at 3-4 weeks of age were more susceptible to DuCV infection. Compared with the DuCV-negative ones, the DuCV-positive ducks had a higher rate of infection by DHV-I (25.5% vs. 7.475%), RA (23.48% vs. 8.28%) and E. coli (16.19% vs. 4.85%). This investigation shows that DuCV infection is common in Cherry Valley ducks on some farms in Shandong Province. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:252 / 256
页数:5
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