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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.