http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Yoon, Yong-Dhuk,Lee, Min-Woong 동국대학교 대학원 1985 大學院硏究論集-東國大學校 大學院 Vol.15 No.-
家畜에 있어서 살모넬라菌症과 大腸菌症 治療및 豫防을 위한 效果的인 抗菌物質을 選拔해 내고자 하는 데 本 實驗의 목적이 있다. 家畜으로부터 分離된 살모넬라菌은 Ampicillin(AM), Carbenicillin(CA), Cephalothin(CE), Chloramphenicol(CP), Colistin(CL), Gentamycin(GM), Neomycin(NM), 및 Sulfaisodimidin(SU), 같은 抗菌物質에 대해서 高度의 感受性을 가지고 있었으나 Erythromycin(EM), Kanamycin(KM), Penicillin(PC), Streptomycin(SM), 및 Tetracycline(TC), 에는 感受性이 매우 낮았다. 大腸菌에 있어서는 Gentamycin(GM), 에서만 高度의 感受性이 있었고 그 외의 다른 抗菌物質에 대해서는 感受性이 있음을 認定할 수 없었다. 結果的으로 AM, CA, CE, CP, CL, GM, NM 및 SU 등이 살모넬라菌症의 治療 및 豫防에 效果的이며 大腸菌症에 효과적인 抗菌物質은 GM뿐이고 그 외는 效果가 거의 없음이 確認되었다. The purpose of these experiments was to select the effective antimicrobial drugs for treatment and prevention of colibacillosis and salmonellosis in domestic animals. All the Salmonella strains used were highly susceptible to ampicillin(AM), carbenicillin(CA), cephalothin(CE), chloramphenicol(CP), colistin(CL), gentamicin(GM), neomycin(NM) and sulfaisodimidin(SU), but were very low susceptible to erythromycim(EM), kanamycin(KM), penicillin(PC), streptomycin(SM) and tetracycline(TC). In Escherichia coli, susceptibility to antimicrobials was only GM whereas the other drugs were scarcely any susceptible. As these results, AM, CA,CE,CP, CL, GM, NM and SU were very effective for salmonellosis. For colibacillosis, except for GM, another antimicrobial drugs were no effective.
酢酸과 食鹽의 混合液 洗滌이 冷臧牛肉의 低溫性 細菌에 미치는 影響
Chang Hee Kweon(權昌喜),Yong Dhuk Yoon(尹用德),Moon Sik Zoog(鄭文植) 한국예방수의학회 1991 예방수의학회지 Vol.15 No.3
Beef plates were sanitized with 3% acetic acid and 3.5% sooium chloride before stored at 4c and 85±5% relative humidity. Organotrophic, Bacteriologic, pH and Volatile basic nitrogen analysis were followed for 9 days. The results obtained were summarized as follows; Slime was detected within 4-5 day in the control, 9 day in the sanitized samples with corresponding Psychrotrophic count of about 10⁸c.f.u/cm². Isolates from Psychrotrophic colony have the characteristics of Pseudomonas. Coliforms and Lactic acid bacteria count increased slowly but the relative population load to psychrophiles decreased with time. The pH in control showed the little changes until spoilage was detected. The pH in sanitized samples dropped to 4.7, rose to original level until about sixth day of storage. The equation of the regression between the Volutile basic nitrogen(V) and the Psychrophiles count(P) was V=-1.58+3.07 Log P with a correlation coefficient of 0.84(P<0.01). The treatment with 3% acetic acid and 3.5% sodium chloride prolonged the microbial spoilage by 4-5 days compared to the control samples, but the treated samples evolved acetic acid odors and showed the discolorization.
Crocin 첨가 결핵균 배지상의 색소형성에 의한 비정형 Mycobacteria 의 분류
이현수,김재학,윤용덕,최철순,이택주 대한미생물학회 1974 大韓微生物學會誌 Vol.9 No.1
On the basis of pigment production and growth rate on L-J medium containing crocin, differentiation of opportunist mycobacteria belonging to photochromogens, scotochromogens, nonchromogens and rapid grower has been investigated. Among photochromgens, positive pigmentation of M. kansasii was differentiated from negative strain of M. marinum. Scotochromogen M. aquae was positive whereas M. scrofulaceum was negative. Rapid grower M. fortuitum was positive at 3 days test whereas M. smegmatis was negative. Subdivision of opportunist mycobacteria into four groups on the basis of growth rate ad pigment production on L J medium containing gardenia extraction appeared to be a valuable adjunct to the Runyon's classification for the rapid presumptive identification of opportunist mycobacteria of different clinical significance.
김종만,윤용덕,박정문,김봉환,Kim, Jong-man,Yoon, Young-dhuk,Park, Jeung-moon,Kim, Bong-hwan 대한수의학회 1986 大韓獸醫學會誌 Vol.26 No.1
The prevalence of diarrhea caused by enterotoxigenic Escherichia coli was surveyed on 445 calves in 6 farms which were located in the central part of Korea. The incidence of enterotoxigenic Escherichia coli in calves with diarrhea was investigated by detecting the K99 and F41 antigens from the isolated strains of Escherichia coli The incidence of colibacillosis in calves was 23.3%. Of 238 strains of Escherichia coli isolated from calves with diarrhea, 73 strains(30.6%) were proved possessing the K99 antigen by mannose-resistant hemagglutination(MRHA) using horse red blood cells and 79(33.1%) possessing F41 antigens by MRHA using guinea-pig red blood cells. The minca medium, nutrient broth, tryptic soy broth and brain heart infusion were tested for yield of K99 and F41 pili. The production of pili was greatest in minea medium. The best detachment method of the K99 and F41 pili from the cells was heat treatment for 20 minutes at $60^{\circ}C$ and concentration by precipitation with ammonium sulfate. The purified antigens of K99 and F41 were polypeptides with molecular weights of 18,500 and 29,500, respectively by sodium dodecyl sulfate-polyacrylamide gel electrophoresis.
송아지 대장균(大腸菌) Pilus Vaccine 개발(開發)에 관한 연구(硏究): II. 시험(試驗)백신의 면역원성(免疫原性) 및 방어효과(防禦效果)
김종만,윤용덕,박정문,김봉환,Kim, Jong-man,Yoon, Young-dhuk,Park, Jeung-moon,Kim, Bong-hwan 대한수의학회 1986 大韓獸醫學會誌 Vol.26 No.1
The oil emulsion and alhydrogel pilli vaccines were prepared from a strain(O9: K35, K99, F41) of enterotoxigenic Escherichia coli isolated from calves with diarrhea and their immunogenicity was tested in guinea-pigs, pregnant goats and cows. Serum antibody responses to K99 and F41 antigens in guinea-pigs given experimental oil and gel vaccines peaked at 4 and 6 weeks after vaccinations. At that time, the mean hemagglutination inhibition titers to K99 and F41 antigens in guinea-pigs given oil vaccine were 1:25 and 1:1, 218 and those given gel vaccine were 1:54 and 1:724 respectively. Agglutinin titers in pregnant goats given the oil vaccine were significantly higher(mean 1:2,347) compared to those of control group(mean 1:160). Less than 12.5% of goatlings from vaccinated goats developed scours compared to nearly 100% in control group after oral challenge with enterotoxigenic Escherichia coil within 24 hours after birth. The highest agglutinin titers of cow serum and colostrum and of the serum of calves 48 hours after birth from cows given oil vaccine were 1:256, 1:512 and 1:64 respectively. On the other hand, those titers of serum and colostrum and of the serum of nursing calves from nonvaccinated cows were 1:8, 1:16 and 1:20 respectively. The protective efficacy of the oil emulsion vaccine was 72.1% under field conditions. These results strongly indicated that the vaccine could be applied for protection of diarrhea caused by enterotoxigenic Escherichia coli in calves.