Korean Journal of Veterinary Research 2008;48(2):145-151.
Biochemical properties and serotypes of pathogenic Escherichia coli isolated from poultry in Korea
Myung-Suk Sung1, Jin-Hyun Kim1, Jong-Su Ha1, Jae-Keun Cho2, Sung-Yong Seol3, Ki-Seuk Kim1
1College of Veterinary Medicine, Kyungpook National University
2Health & Environmental Research Institute
3Kyungpook National University School of Medicine
가금 유래 병원성대장균의 생화학적 성상 및 혈청형
성명숙1, 김진현1, 하종수1, 조재근2, 설성용3, 김기석1
1경북대학교 수의과대학
2대구시 보건환경연구원
3경북대학교 의학전문대학원
This study was conducted to investigate biochemical properties and O group serotypes of pathogenic 203 Escherichia (E.) coli isolates from poultry with collibacillosis in Korea during the period from April 2003 to December 2005. Biochemical and fermentative properties of 203 isolates of E. coli tested were in accordance with Cowan and Steel's classification standard. One hundred and forty one isolates (69.5%) could be classified into a total of 20 O serotypes. Among them, the predominant O groups were O78 (32.5%), O88 (7.8%), O15 (6.8%), O141 (6.4%), and O158 (3.0%) in decreased order. Other infrequently encountered serogroups included : O8 (2%), O161 (2%), O20 (1.5%), O125 (1.5%), O2 (1%). And O6, O18, O24, O46, O76, O109, O119, O138, O139 and O148 had a frequency of 0.5%, respectively. Sixty two isolates (30.5%) were non-typeable with standard 173 O antisera used in this study.
Key Words: biochemical properties, O group serotypes, pathogenic Escherichia coli, poultry

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