| 猪2型链球菌河北株的分离及PCR鉴定 |
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| 引用本文： | 范京惠,左玉柱.猪2型链球菌河北株的分离及PCR鉴定[J].中国农学通报,2007,23(6):75-75. |
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| 作者姓名： | 范京惠 左玉柱 |
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| 作者单位： | 河北农业大学动物科技学院,保定,071001 |
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| 基金项目： | 河北农业大学青年基金资助（200612）. |
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| 摘 要： | 对河北省某规模化猪场病死猪进行临床诊断和实验室诊断，通过采取病料直接涂片染色镜检，病原分离培养，初步怀疑为链球菌。对纯化的分离细菌进行动物试验、生化试验，确定该病原菌为链球菌。分离菌经过液体增菌后，提取细菌基因组DNA，用荚膜多糖基因的特异性引物分别扩增出与设计大小相符条带，将PCR产物送至上海生物工程有限公司进行序列测定，并进行序列分析，确定为该菌株为猪链球菌2型。
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| 关 键 词： | 杂交早稻 杂交早稻 农艺性状 遗传力 遗传分析 |
| 修稿时间： | 2007-03-272007-04-05 |
Identification of type 2 of swine streptococcus suis from piglets by PCR in Hebei |
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| Fan Jinghui,Zuo Yuzhu.Identification of type 2 of swine streptococcus suis from piglets by PCR in Hebei[J].Chinese Agricultural Science Bulletin,2007,23(6):75-75. |
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| Authors: | Fan Jinghui Zuo Yuzhu |
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| Institution: | College of Animal Science, Agricultural University of Hebei, Baoding 071001 |
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| Abstract: | A strain of pathogenic swine streptococcus was isolated and identified from dead piglets in a case of a pig farm. The identification was achieved by phenotypic, biochemical specificity experiment and antimicrobial sensitivity analysis. The results indicate that the pathogen is treptococcus. The colonies of streptococcus suis were purified and liquid-cultured, then the DNA was extracted and objective fragments. The results indicated the strain was swine streptococcus suis type 2. |
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| Keywords: | swine streptococcus isolation identification |
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