Serological characterization of Haemophilus parasuis isolates from China

Cai, Xuwang, Chen, Huanchun, Blackall, P. J., Yin, Zhengyan, Wang, Lei, Liu, Zhengfei and Jin, Meilin (2005) Serological characterization of Haemophilus parasuis isolates from China. Veterinary Microbiology, 111 3-4: 231-236. doi:10.1016/j.vetmic.2005.07.007


Author Cai, Xuwang
Chen, Huanchun
Blackall, P. J.
Yin, Zhengyan
Wang, Lei
Liu, Zhengfei
Jin, Meilin
Title Serological characterization of Haemophilus parasuis isolates from China
Formatted title
Serological characterization of Haemophilus parasuis isolates from China
Journal name Veterinary Microbiology   Check publisher's open access policy
ISSN 0378-1135
1873-2542
Publication date 2005-12-20
Sub-type Article (original research)
DOI 10.1016/j.vetmic.2005.07.007
Volume 111
Issue 3-4
Start page 231
End page 236
Total pages 6
Place of publication Amsterdam, Netherlands
Publisher Elsevier BV
Language eng
Formatted abstract
From September 2002 to December 2004, a total of 281 strains of Haemophilus parasuis were isolated from 17 provinces of China. All these isolates were serotyped by both the gel diffusion (GD) and the indirect haemagglutination (IHA) tests. By combining the GD and IHA results, serovar 4 (24.2%) and serovar 5 (19.2%) were the most prevalent serovars, followed by serovars 13 (12.5%), 14 (7.1%) and 12 (6.8%), while 12.1% of the isolates could not be assigned to a serovar (nontypable). A comparison of the number of isolates obtained from the respiratory tract of swine without polyserositis with those obtained from swine with polyserositis revealed an increased frequency of serovar 4 and a significantly decreased frequency of serovar 13 among isolates from the respiratory tract of swine without polyserositis, whereas the frequency of isolation of serovars 5, 12, 14 and nontypable from swine with or without polyserositis were similar. Co-infection of H. parasuis and other bacterial agents was studied in 183 cases examined from June 2003 to December 2004. Streptococcus suis (30.6%; 56), Escherichia coli (21.9%; 40), Bordetella bronchiseptica (21.3%; 39) and Pasteurella multocida (14.2%; 26) were the bacterial agents frequently co-isolated with H. parasuis in China.
Keyword Porcine bacteria
Haemophilus parasuis
Serovars
Prevalence
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Published under Short Communications

Document type: Journal Article
Sub-type: Article (original research)
Collection: Queensland Alliance for Agriculture and Food Innovation
 
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Created: Mon, 07 Mar 2011, 14:39:32 EST