Seroprevalence and molecular detection of Mycoplasma ovipneumoniae in goats in tropical China
文献类型： 外文期刊
作者： Rong, Guang 1 ; Zhao, Jun-Ming 2 ; Hou, Guan-Yu 1 ; Zhou, Han-Lin 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Key Laboratoy Trop Crops Germplasm Resources Util, Minist Agr, Danzhou, Hainan Province, Peoples R China
2.Chinese Acad Trop Agr Sci, Sci & Tech Informat Inst, Danzhou, Hainan Province, Peoples R China
关键词： Mycoplasma ovipneumoniae;Seroprevalence;PCR;Goats;China
期刊名称：TROPICAL ANIMAL HEALTH AND PRODUCTION （ 影响因子：1.559； 五年影响因子：1.681 ）
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收录情况： SCI
摘要： In the present study, the seroprevalence and genetic identification of Mycoplasma ovipneumoniae infection in goats were investigated in Hainan Province, tropical China between October 2012 and October 2013. A total of 1,210 serum samples collected from 16 herds in various administrative regions in tropical China were evaluated using indirect hemagglutination assay (IHA). Antibodies to M. ovipneumoniae were tested in (31.7 %, 95 % confidence interval (CI) 29-34.3) 383 of 1,210 serum samples (IHA titer a parts per thousand yen1:16). The M. ovipneumoniae seroprevalence ranged from 26.8 % (95 % CI 20.8-32.9) to 39 % (95 % CI 30.8-47.2) among different regions in tropical China, and the difference was statistically significant (P < 0.01). The seroprevalence of M. ovipneumoniae infection in goats was higher in winter (46.1 %, 95 % CI 39.6-52.5) and spring (33.8 %, 95 % CI 28.3-39.3) than in autumn (27.5 %, 95 % CI 22.6-32.3) and summer (24.7 %, 95 % CI 20.3-29.1), and the difference was statistically significant (P < 0.01). In addition, DNA was extracted from nasal swab; lung samples and the 16S rRNA gene sequences were amplified by polymerase chain reaction (PCR) and then sequenced. Twenty-four of 329 (7.3 %) nasal swab samples and 73 of 280 (26.1 %) pneumonic lung tissues were found to contain M. ovipneumoniae, respectively. The results of the present survey indicate that M. ovipneumoniae infection is highly prevalent in goats in tropical China. This is the first report of the comprehensive survey of M. ovipneumoniae prevalence in goats in China.
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