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Epidemiological investigation of chlamydiosis in dairy cattle in China

Indian Agricultural Research Journals

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Title Epidemiological investigation of chlamydiosis in dairy cattle in China
 
Creator Changqing, Qiu
Yongxin, Hou
Jizhang, Zhou
Xiao-An, Cao
Fangfang, Zhang
 
Subject Chlamydia psittaci; Dairy cattle; Epidemiological investigation; IHA; PCR
 
Description In the years 2002 to 2004, sera (1353) collected from 26 dairy herds in 10 provinces of China, were tested for Chlamydia antibodies with an indirect haemagglutination test, in which the Chlamydia positive rates ranged from 0 to 70%, the average positive frequency being 21.4%. Chlamydia psittaci were successfully isolated from specimens sampled from dairy cows with abortion in Shaanxi and Ningxia provinces, China, and proved by a polymerase chain reaction (PCR). On a dairy farm where outbreak ofchlamydiosis took place, all ofthe dairy cattle were vaccinated with inactivated vaccine against dairy cattle chlamydiosis and the abortion prevalence was effectively controlled. 
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2011-03-03
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
—
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/4501
 
Source The Indian Journal of Animal Sciences; Vol 76, No 12 (2006)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/4501/1785
 
Rights Copyright (c) 2014 The Indian Journal of Animal Sciences