Isolation and Identification of Erysipelothrix rhusiopathiae from Abattoirs in Shanghai Area |
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Authors: | XU Feng WANG Xiao-xu ZHANG Wei-yi NING Kun QI Xin-yong SHEN Li-ping |
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Institution: | Shanghai Municipal Animal Disease Control Center, Shanghai 201103, China |
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Abstract: | In order to comprehend the status of Erysipelothrix rhusiopathiae carried in swinery in Shanghai area, samples of pigs were collected from some standard abattoirs in Shanghai area, including nasal swab, lung, tonsil and mandibular lymph nodes. Strains were isolated from these samples for detecting the Erysipelothrix rhusiopathiae. Several kinds of methods were used, such as VITEK 2 Compact system and VITEK MS system. A pair of primers was designed to amplify the 16S rRNA gene. 16 PCR products selected randomly were sequenced and 16S rRNA homology analysis was conducted. As a result, strains were isolated from 49.07% (105/214) samples and were identified as Erysipelothrix rhusiopathiae.16S rRNA homology in strains of isolation and reference were 99.6% to 100.0%. The result indicated that the situation was very severe for so many carriers of Erysipelothrix rhusiopathiae in health group in nursery. |
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Keywords: | abattoirs Erysipelothrix rhusiopathiae isolation and identification |
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