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Year : 2007
Tome : 158
Volume : 8-9
Pages : 458-462
Title : Serological survey of serum antibodies against porcine circovirus type 2 (PCV2) in swine, chicken, duck, goat and cattle from Zhejiang province, China
Authors : Q. X. CHEN, J. X. YE, J. Y. ZHOU, T. F. CHEN, H. G. SHEN AND S. B. SHANG
Summary : Porcine circovirus type 2 (PCV2) is a causal agent of post-weaning multisystemic syndrome (PMWS) in piglets. Anti-PCV2 antibodies were detected by indirect immunofluorescent assay (IFA) in serum samples collected from 2003 to 2005 including 2255 pig sera from 57 pig farms, 227 duck sera, 204 chicken sera, 493 cattle sera and 38 goat sera from Zhejiang province. The PCV2 seroprevalence was 90.2% in pigs and significantly varied according to the age; whereas unweaned pigs were moderately affected (40.7%), the PCV2 infection was dramatically spread out in post-weaning piglets as well in adults from the 4 different regions (Huzhou, Taizhou, Quzhou and Ningbo) of the Zhejiang province. Moreover, the PCV2 seroprevalence was strongly correlated with PRRSV (porcine reproduction and respiratory syndrome virus) infection rates (r=0.793, p<0.01). By contrast, no serum anti-PCV2 antibody was detected in the other species (chicken, duck, goat or cow). These results show that PCV2 infection is specific of pigs and widely frequent in this species. Because of associated economic losses, medical and sanitary prophylactic measures would be urgently applied.
Keywords : Porcine circovirus type 2, Seroprevalence, Swine, China
Correspondence : J. Y. ZHOU
Adress : Laboratory of Virology and Immunology, Institute of Preventive Veterinary Medicine, Zhejiang University, Hangzhou 310029, CHINA - E-mail: jyzhou@zju.edu.cn
Link : pdf

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