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Serotype and antimicrobial susceptibility of Actinobacillus pleuropneumoniae isolates from pigs in Korea
2012
Jung, J.Y., Animal, Plant and Fisheries Quarantine and Inspection Agency, Anyang, Republic of Korea | Jang, H., Komipharm International, Siheung, Republic of Korea
Actinobacillus (A.) pleuropneumoniae is the causative agent of pleuropneumonia which is one of the most important respiratory diseases in pigs worldwide. A total of 32 A. pleuropneumoniae isolates from diseased pigs during 2008 to 2010 were serotyped by polymerase chain reaction method. The susceptibility of the isolates to 13 antimicrobial agents were determined by disk diffusion test. In all the 32 isolates examined in this study, serotype 5 (16 isolates: 50%), 1 (7 isolates: 21.9%), 2 (5 isolates: 15.6%) and 12 (1 isolate: 3.1%) were found. Of all tested antimicrobial agents, resistance to oxytetracycline was found in 96.9% of isolates, followed by resistance to amikacin (81.2%), neomycin (68.7%), kanamycin (53.1%), penicillin (50.0%), gentamicin (43.7%), florfenicol (25.0%), ampicillin (18.7%), colistin (9.4%), trimethoprim/sulfamethoxazole, ceftiofur (8.3%), amoxicillin/clavulanic acid (3.1%) and enrofloxacin (0%). Oxytetracycline or florfenicol-resistant isolates were examined for the presence of resistance gene. Among the 31 oxytetracycline-resistant isolates, tetB, tetH and tetO genes were detected in 22 (71%), 8 (26%) and 1 (3%) isolates, respectively. The floR genes were detected in 8 (100%) of the 8 florfenicol-resistant A. pleuropneumoniae isolates.
Show more [+] Less [-]Epidemiological characteristics of Salmonella spp. isolated from different stages of commercial swine farms
2005
Suh, D.K. (Research Institute of Health and Environment, Daegu, Republic of Korea) | Jung, S.C. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea), E-mail: jungsc@nvrqs.go.kr
Epidemiological characteristics of a total of 48 swine herd with diarrhea or a history of diarrhea in Gyeongsang-do between 1999 and 2000 were performed to evaluate the prevalence of Salmonella spp., their serotypes and antibiotic resistance patterns with respect to the different stages of swine production system. A total of 139 Salmonella spp. (21%) were isolated from 662 fecal samples and the overall herd prevalence of Salmonella spp. ranged from 12.5% to 88%. The average prevalence of Salmonella spp. from swine stages of suckling/nursery, grow/finisher and sow stage were 25.7%, 19.2% and 18.4%, respectively.
Show more [+] Less [-]Serotype, antimicrobial susceptibility and plasmid profile of Listeria monocytogenes isolated from livestock products and product processing plants
Park, S.K.;Lee, H.J.;Kim, Y.H.;Kang, H.J.(Gyeongsang National University, Jinju, Republic of Korea)E-mail:hjkang@nongae.gsnu.ac.kr | Son, W.G.(Cheju National University, Jeju, Republic of Korea)
This study was carried out to investigate the serotype, and antimicrobial susceptibility and analyze the plasmid profile for the 145 isolates of L. monocytogenes isolated from livestock products and these product processing plants in Gyeongnam, Korea. All of L. monocytogenes strains belonged to serotype 1/2b (57.9%), 1/2a (20.0%), 4b (11.4%), 1/2c, 3b, 4c (each 2.9%) and 4d (0.7%). Serotype 1/2b, 1/2a, 4b from each source were found predominantly. Serotype 1/2b was predominantly higher than other serotype, and there was no significant difference between serotypes isolated from livestock products and product processing plants.
Show more [+] Less [-]Biotype, serotype and antibiotics susceptibility of Yersinia enterocolitica isolated from zoo animals
1994
Park, S.G. | Youn, E.S. | Kim, E.J. (Seoul Metropolitan Government Institute of Health and Environment, Seoul (Korea Republic))
Studies on Pasteurella multocida isolated from pneumonic lungs of slaughter pigs
1994
Ahn, B.C. | Kim, B.H. (Kyungpook National University, Taegu (Korea Republic). College of Veterinary Medicine) | Cho, K.H. (Kyungpook Animal Health Experiment Institute, Taegu (Korea Republic))
Characteristics and isolation of Listeria spp from poultry meat, products and environmental specimens in chicken slaughterhouse, 2; Serotype and antimicrobial susceptibilities of L monocytogenes isolates
1991
Son, W.G. | Kang, H.J. (Gyeongsang National Univ., Chinju (Korea Republic). Coll. of Veterinary Medicine)
Serotype and pathogenicity of Erysipelothrix rhusiopathiae isolated from the cases of acute septicemic swine erysipelas
1991
Baek, Y.S. | Kim, B.H. (Kyungpook National Univ., Taegu (Korea Republic). Coll. of Veterinary Medicine)
Studies on biological characters and plasmid profiles of Escherichia coli isolated from pigs
1990
Jeong, S.K. | Choi, W.P. (Kyungpook National University, Taegu (Korea Republic). College of Veterinary Medicine) | Jeong, S.C. (Rural Development Administration, Anyang (Korea Republic). Veterinary Research Institute)
Bioserotype and drug resistance of Salmonella spp isolated from feces in zoo animals
1994
Youn, E.S. | Park, S.G. | Oh, Y.H. (Seoul Metropolitan Government Institute of Health and Environment, Seoul (Korea Republic)) | Kim, T.J. (Konkuk University, Seoul (Korea Republic). College of Veterinary Medicine)
Biotype, serotype and antibiotic susceptibility of Yersinia enterocolitica isolated from swine
1992
Park, S.G. (Seoul Metropolitan Government Inst. of Health and Environment, Seoul (Korea Republic)) | Choi, C.S. (Chungang Univ., Seoul (Korea Republic). Coll. of Medicine) | Jeon, Y.S. (Seoul Nat'l Univ., Suwon (Korea Republic). Coll. of Veterinary Medicine)