Serological and molecular survey of sheep infected with Mycoplasma ovipneumoniae in Xinjiang, China
文献类型: 外文期刊
第一作者: Chen Cheng
作者: Chen Cheng;Qiao Jun;Meng Qingling;Hu Zhengxiang;Ma Yu;Chen Chuangfu;Cai Xuepeng;Cheng Zibing;Zhang Jinsheng;Zhang Zaichao;Cai Kuojun
作者机构:
关键词: Serological and molecular survey;Sheep;Mycoplasma ovipneumoniae;Xinjiang;China
期刊名称:TROPICAL ANIMAL HEALTH AND PRODUCTION ( 影响因子:1.559; 五年影响因子:1.681 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Mycoplasma pneumonia is one of the most important infectious diseases that threaten sheep production. In order to investigate the epidemic status of Mycoplasma ovipneumoniae infection in sheep, indirect hemagglutination assay was used to analyze 1679 serum samples collected from four different breeds of sheep (Kazak sheep, Hu sheep, Merino sheep, and Duolang sheep) in six regions in Xinjiang between 2012 and 2014. One thousand one hundred sixty-nine sheep nasal swabs and 180 lungs were PCR analyzed. The results showed that the average positive rates of the serum samples were 17.75 %. The positive rates were between 9.76 and 30.61 % in the four breeds. Among them, the Hu sheep had a significantly higher rate than other breeds (P < 0.05). The average positive rates of nasal swabs and lungs were 10.18 and 28.89 %, respectively. Based on the phylogenetic trees of 16S RNA gene, the isolates were closest to those strains isolated from inland areas of China, indicating that these epidemic isolates came from the trans-province introductions. Our survey suggests that quarantine is necessary for sheep imported from inland, and effective immunization should be implemented in sheep susceptible to M. ovipneumoniae in Xinjiang, China.
分类号: S8
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