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- SOMEYA Azusa
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University
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- OTSUKI Koichi
- Faculty of Technology, Kyoto Sangyo University
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- MURASE Toshiyuki
- Laboratory of Veterinary Microbiology, Faculty of Agriculture, Tottori University The Avian Zoonosis Research Center, Faculty of Agriculture, Tottori University
書誌事項
- タイトル別名
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- Characterization of Escherichia coli Strains Obtained from Layer Chickens Affected with Colibacillosis in a Commercial Egg-Producing Farm
- Avian pathology: Characterization of Escherichia coli strains obtained from layer chickens affected with colibacillosis in a commercial egg-producing farm
この論文をさがす
抄録
The present study reports colibacillosis of layer chickens in a commercial egg-producing farm in western Japan. Three flocks of chicken at 18-21 weeks of age were affected during the initiation of egg lay. Postmortem examination revealed pericarditis, perihepatitis, airsacculitis, subcutaneous inguinal lesion, and injured cloaca. Escherichia coli was isolated from the lesions of the affected birds. Twenty-two of 26 E. coli isolates (84.6%) obtained from 18 birds in the 3 flocks showed pulsed-field gel electrophoresis (PFGE) patterns that were considered to be closely associated to each other and arbitrarily designated as pattern A. All the 22 isolates with the PFGE pattern A harbored the putative virulence genes, astA, iss, iucD, tsh, and cva/cvi. Additional 2 PFGE patterns (B and C) were also found in E. coli isolates obtained from the affected flocks and had the putative virulence genes in combinations different from those in the pattern A strains. The results suggested that certain E. coli virulence genes and host factors, such as initiation of egg lay may be associated with occurrence of colibacillosis.<br>
収録刊行物
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- The Journal of Veterinary Medical Science
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The Journal of Veterinary Medical Science 69 (10), 1009-1014, 2007
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390282681404402304
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- NII論文ID
- 110006418719
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- NII書誌ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- NDL書誌ID
- 8985492
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可