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소,돼지 도축지육(屠畜枝肉) 표면의 세균분포조사(細菌分布調査)
최해연 ( Hae Yeun Choi ),정운선 ( Un Sun Joung ) 한국동물위생학회 1994 한국동물위생학회지 (KOJVS) Vol.17 No.1
Microbiological culture was conducted in the meat surface of cattles and pigs that was slaughtered in the Chung-Ju area and the result are as follows: 1. The number of bacteria in antemortem meat surface was higher ten times in March and ten to one thousand times in June to August compared with postmortem meat surface. 2. Microbes isolated in the meat surface, at the time of slaughter, was Staphylococcus spp., E. coli, Fungus and Streptococcus spp. 3. Bacteria was isolated in every parts of meat surface regardless to their location and many Fungus was isolated during summer.
최해연 ( Hae Yeun Choi ),정운선 ( Un Sun Joung ),유기조 ( Kee Cho Yoo ) 한국동물위생학회 1993 한국동물위생학회지 (KOJVS) Vol.16 No.1
To evaluate the pathogenesis of live infectious laryngotracheitis vaccine, virus, virus and E.coli were inoculated in 4-weeks old intraorbitally and intraorally. Their pathology and serology were studied. The results were as follows. 1. Chicks inoculated with ILT vaccine alone showed no clinical sign. 2. Some of chicks inoculated with ILT vaccine followed by E.coli after 1day showed nasal discharge and cough. 3. Some of chicks inoculated with E.coli followed by ILT vaccine after 1 day and inoculated ILT vaccine and E.coli concurrently, showed nasal discharge. 4. Serum neutralization titers of chicks inoculated with ILT vaccine increased 3 weeks after inoculation, peaked at 7 to 8 weeks and decreased. 5. Antibiotic sensitivity of E.coli were higher in Enrofloxacin(Baytril) and chloramphenical.
최해연 ( Hae Yeun Choi ),정운선 ( Un Sun Joung ),유기조 ( Kee Cho Yoo ),오홍세 ( Hong Sea Oh ) 한국동물위생학회 1992 한국동물위생학회지 (KOJVS) Vol.15 No.1
A serological survey was carried out for the detection of antibody of Bovine Leukemia Virus(BLV) in nothern parts of Chung Buk area. The results were summarized as followed. 1. The overall positive rate was revealed as high as 15% with 48 positive cases out of 319 heads examined. 2. According to age, cattle of 4 to 7 ages showed relatively higher positive rate of 15% than other ages. 3. Seasonal differences of positive rate were not recognized. 4. BLV antibody titer of scales of cattles that from 5 to 15 heads farm were the highest. 5. With the result of blood test that of BLV positive cattle, the number of WBC was slightly increased, but other records were normal.
녹차부산물을 이용한 기능성 축산물 증명에 대한 분자생물학적 접근
강신석 ( Shin Seok Kang ),현공율 ( Gong Yul Hyun ),최해연 ( Hae Yeun Choi ),조우영 ( Woo Young Cho ),김태융 ( Tae Yung Kim ),강신권 ( Shin Kwon Kang ),강정부 ( Chung Boo Kang ) 한국동물위생학회 2005 한국동물위생학회지 (KOJVS) Vol.28 No.2
Green tea was known which regulated adipocyte differentiation metabolism. The mecha nism on the lipid decreased contents of TAG in the plasma. In addition, green tea increased the expression leptin mRNA, PPAR δ mRNA and TGF β. The tea tested was korean powdered green tea. In this experiment, Sprague-Dawley(SD) rats were fed 3 % green tea(powdered) for 3 weeks on the basal diet and obese diet and green tea grouts-fed pork meats, duck meats. The expression of leptin mRNA and PPAR δ mRNA were up-regulated in the green tea-fed groups compared with those of the not green tea-fed groups. There were no significantly difference on the expression of leptin mRNA and PPAR δ mRNA in green tea grouts-fed pork meats, duck meats as compared with the not fed green tea grouts meats. TGF β mRNA, TNF α mRNA and adipsin mRNA were not expressed in the pork meats, duck meats. The expression of TGF β mRNA, TNF α mRNA and adipsin mRNA were observed in the experimental rats but no significantly difference on the contents. Physiologic regulated genes were not expressed in the green tea grout-fed pork meats and duck meats.