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장영술 ( Young Sool Chang ),김규태 ( Kyoo Tae Kim ),김영환 ( Young Hoan Kim ),김순태 ( Soon Tae Kim ),도재철 ( Jae Cheul Do ),김대원 ( Dae Won Kim ),김봉환 ( Bong Hwan Kim ) 한국동물위생학회 2002 한국동물위생학회지 (KOJVS) Vol.25 No.1
Outbreaks from September 1999 to July 2000 of blackleg in 4 milking and fatting cattle farms in the vicinity of Munkyong(northwestern part of Gyeongbuk province) were investigated biochemical characteristics of isolates and were surveyed epidemiological works during the period of 2 months from August to September 2000. Clostridium chauvoei, the etiological agent of blackleg is a serious pathogen of cattle and sheep causing fever, depression and lameness with high mortality in growing phase of 6 to 18 months old mainly beef cattle. Biochemical and cultural properties of 4 isolated Cl chauvoei were identical to those of reported results and isolates were susceptible to ampicillin, bacitracin, chloramphenicol, cephalothin, ciprofloxacin, erythromycin, norfioxacin, penicillin, and tetracycline, while they were resistant to amikacin, colistin, gentamicin, kanamycin, neomycin, streptomycin and trimethoprim-sulfamethoxazole. In the results of epidemiological survey, outbreak farms that concentrated region of milking or fatting cattle in each sites were so close contact within a radius of about 1km that they are separated only by wire fence or shrub barrier and flies, rodents, wild cats and birds could have the chance to move around between those farms. The origin of the outbreak blackleg were uncertain, but the transmission between farms were mainly through the movement of farm personnel, vehicles which were struck the feces or manures from farm and other mechanical factors such as flies, rodents and birds furthermore occurred mission between farms were mainly through the movement of farm personnel, vehicles which were struck the feces or manures from farm and other mechanical factors such as flies, rodents and birds furthermore occurred 4 farms were not vaccinated. In conclusion, a periodic disinfection, vaccination and quarantine prevention are ideal methods of damage reduction by blackleg.
김영환 ( Young Hwoan Kim ),장지택 ( Jee Taeg Chang ),장영술 ( Young Sool Chang ),오강희 ( Kang Hee Oh ),박영구 ( Young Gu Park ) 한국동물위생학회 1998 한국동물위생학회지 (KOJVS) Vol.21 No.2
The present study was carried out to investigate the biochemical characteristics, antibiotic susceptibility and toxin(ST, LT, VT1.2 type) production test of 60 Escherichia coli isolated from diseased domestic animals in southern area of Kyungbuk province from April to December 1997. 1. The biochemical and cultural reaction were consistent with the classification criteria of Edwards and Ewing. 2. In antibiotic susceptibility test, 60 E coli showed highly susceptible to CL(96.7%), XNL(86.7%), AN(81.7%), SXT(61.7%), Lin(55%), GM(53.3%), KM(41.7%), N (41.7%), ENR(40%), AM(40%), CF(30%), S(13.3%) and Te(11.7%), in order. 3. Sixty E coli isolates were multiful resistant to seven or more antibiotics incombination. 4. Three strains for 60 E coli were detected heat-labile enterotoxin(LT) and that`s titers were 2,8 and 16, respectively.
경북지방유래 추백리 양성계에서의 균분리 및 혈청역가 추이
김영환 ( Young Hoan Kim ),김경희 ( Kyoung Hee Kim ),우용구 ( Yong Ku Woo ),장영술 ( Young Sool Chang ),조민희 ( Min Hee Cho ),김수웅 ( Soo Woong Kim ) 한국동물위생학회 1997 한국동물위생학회지 (KOJVS) Vol.20 No.1
The present study was conducted to investigate the general epidemiological situations with 18-pullorum infected chickens from Kyongbuk provinces during the period from June 1995 to January 1996. On the Salmonella pullorum isolation tests by rectal swab culture method from infected chickens(386-samples), any Salmonella spp was not isolated from infected live-birds. But 2-S pullorum were isolated of 2-dead chickens(33.3 %) from 6-dead chickens which were positively reacted by serological tests. On the other hand, we could not isolated any Salmonella spp. in any parts of egg-contents; egg-shell, egg-white and egg-yolks with 25-infected bird eggs. On the tests of antibiogram, 2-S pullorum strains were highly sensitive to GM, AM, SXT, CZ, K, F/M, ENR, C, AN, N, NN, LIN+SP, CF, TE and PB, respectively and intermediate sensitive to the CB, CFP, CL, S. P and XNL. But 2-strains were resistant to CC, DP, E, L, OX, TLA and TyLO. In the serological tests, pullorum antibody titers of 18-infected birds was from 2.76 to 9.18 with average by the microplate test. During the 6-months, pullorum antibody average titers were not changed generally. To validate the effects of the antimicrobial agent treatments to the serological antibody titers, infected 6-chickens was medicated with 0.5%-futazolidone. The titer of premedicated birds was average 4.26 but after medication with furazolidone, the titers of treated 6-birds was average 4.08.
경북서부지방 가축에서 분리된 Salmonella 속균의 생물화학적 특성 및 혈청형
김규태 ( Kyoo Tae Kim ),김정화 ( Jung Hwa Kim ),우정희 ( Jung Hee Woo ),장영술 ( Young Sool Chang ),김대원 ( Dae Won Kim ),김봉환 ( Bong Hwan Kim ) 한국동물위생학회 2002 한국동물위생학회지 (KOJVS) Vol.25 No.3
The present study was conducted to investigate the prevalence, biochemical properties and serotypes of Salmonella organisms in the domestic animals in Western Gyeongbuk province during the period from January to December 2000. Salmonella spp were isolated from 51(1.62%) of 3,141 cases of domestic animals. Serotypes of isolates were S enteritidis 17(29.6% of isolates), S agona 11(20.3%), S rissen 8(14.8%), S gallinarum 4(7.4%), S derby 3(5.5%), S typhimurium 2(3.7%), S travis 1(1.8%), S montevideo 1(1.8%) and untypable 4(12.9%), in order. The majority of isolates were highly susceptible to amikacin, ampicillin, ciprofloxacin, cephalothin, chloramphenicol, trimethoprim-sulfamethoxazole, norfloxacin and gentamicin, whereas all isolates were resistant to bacitracin, erythromycin, tiamulin and tylosin, and the majority of them were highly resistant to penicillin, streptomycin and tetracycline.
경북지방 돼지유래 salmonella 속균의 약제내성과 plasmid profile
김규태 ( Kyoo Tae Kim ),김원일 ( Won Il Kim ),김상윤 ( Sang Youn Kim ),장영술 ( Young Sool Chang ),김대원 ( Dae Won Kim ),김봉환 ( Bong Hwan Kim ) 한국동물위생학회 2000 한국동물위생학회지 (KOJVS) Vol.23 No.1
This study was conducted to investigate the antibiotic resistance and plasmid profiles of 58 salmonella spp isolated from mesenteric lymphnodes of slaughter pigs in Kyoungbuk province during the period from September 1997 to June 1998. The results obtained are as follow that all isolates were susceptible to arnikacin, gentamicin, ciprofloxacin and enrofloxacin, and the majority of isolates were highly susceptible to norfioxacin, colistin, nalidixic acid and apramycin while they were moderately susceptible to kanamycin, cephalothin, chloramphenicol, ampicillin, trimethoprim and penicillin. The majority of isolates were over 90% resistant rates to lincomycin, sulfadimethoxine, vancomycin, methicillin and erythromycin. The plasmid profiles of 58 salmonella spp are developed 1 to 4 fractions, 0.9 to 29.5 Kb molecular range sizes and 27 strains (46.5%) were showed plasmid profiles by agarose gel electrophoresis. S derby harbored 29.5 Kb and 7 Kb, and S schwarzengrund had 14 Kb and 0.9 Kb harboring sizes. Four of 10 S agona and 2 of 4 S lyphimurium were harbored 3.1 Kb and 27.5 Kb, respectively. Thirty-five untypable strains are developed variable size fractions its showed small size plasmid profile less than 6 Kb and 22 (62.8%) of them had no detectable plasmids.