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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.
Показать больше [+] Меньше [-]Antibiotic resistance pattern of E. coli and Salmonella spp. isolated from chicken feces
2005
Lee, Y.J. (Kyungpook National University, Daegu, Republic of Korea), E-mail: youngju@mail.knu.ac.kr | Kim, A.R. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea) | Jung, S.C. (Kyungpook National University, Daegu, Republic of Korea) | Song, S.W. (Kyungpook National University, Daegu, Republic of Korea) | Kim, J.H. (Kyungpook National University, Daegu, Republic of Korea)
The purpose of this study was to investigate the antibiotic resistance pattern of E. coli and Salmonella spp. isolated from chicken feces. One hundred and forty-seven E. coli isolates showed resistance to tetracycline (95.2%), erythromycin (89.2%), ampicillin (70.1%), streptomycin (59.2%), cephalothin (56.5%), sulfamethoxazole/trimethoprim (53.7%), ciprofloxacin (57.1%), enrofloxacin (59.2%) and norfloxacin (57.1%). The multiple resistance was seen in 144 isolates (97.9%) and the rate of five, six and seven drugs resistance pattern were 20.4%, 18.4% and 16.3%, respectively. Also, the multiple resistance of E. coli to twelve drugs were seen in 1 isolates (0.7%).
Показать больше [+] Меньше [-]Development of the rapid detection kit for Salmonella spp. using immunochromatographic assay
2005
Jung, B.Y. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea), E-mail: jungby@nvrqs.go.kr | Jung, S.C. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea)
An immunochromatographic (IC) strip for the rapid detection of Salmonella spp. in the enriched sample was developed. Affinity purified Salmonella polyclonal antibody was conjugated with 40 nm colloidal gold particles which were prepared by citrate method in our laboratory. The antigen-antibody-gold complex was captured by Salmonella antibody attached to test line of nitrocellulose membrane during the capillary migration of sample. Specificity of the IC strip was calculated to be 100% (12/12) and sensitivity was 97.6% (41/42) in the test with pure cultured bacteria. Salmonella was artificially inoculated into raw pork macerated with enrichment broth.
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