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개에 있어서 實驗的 尿道閉鎖時의 心電圖 變化에 관한 硏究
金湫喆,金南洙,崔仁赫 全北大學校 附設 畜産開發硏究所 1991 畜産開發硏究報告 Vol.4 No.-
Experimental obstruction of urethra induced for 66 hours on 5 male dogs to derermine the diagnostic value of ECG and blood chemical values. The results obtained in the examination were summarized as follows : 1. Changes of ECG, blood chemical values and clinical sings were observed from 30 hours after urethral obstruction. 2. In ECG, the peaked and amplitude of T wave were increased remarkably, P wave were decreased, and intervals of PR(Q) and QRS complex were prolonged after urethral obstruction. 3. The levels of BUN, potassium and creatinine in serum after urethral obstruction were increased remarkably and correlation between these levels and the increase of amplitude in T wave were recognized to be significant.
개에 있어서 실험적 요도폐쇄시의 심전도 변화에 관한 연구
김추철,김남수,최인혁,이호일,Kim Choo-Cheol,Kim Nam-Soo,Choi In-Hyuk,Lee Ho-Il 한국임상수의학회 1991 한국임상수의학회지 Vol.8 No.1
Experimental obstruction of urethra was induced for 66 hours on 5 male dogs to determine the diagnostic value of ECG and blood chemical values. The results obtained in the examination were summarized as follows ; 1. Changes of ECG, blood chemical values and clinical sings were observed from 30 hours after urethral obstruction. 2. In ECG, the peaked and amplitude of T wave were increased remarkably. p wave were decreased, and intervals of PR(Q) and QRS complex were prolonged after urethral obstruction. 3. The levels of BUN, potassium, creatinine in serum after urethral obstruction were increased remarkably and correlation between these levels and the increase of amplitude in T wave were recognized to be significant.
도축 한우의 복강내 지방괴사증 발생과 병리조직학적 연구
이성효,김추철,최길성,임채웅,서문정,최인열,채효석 한국동물위생학회 1998 韓國家畜衛生學會誌 Vol.21 No.1
The bovine fat necrosis is often seen as an incidental lesion in the adipose tissues of the abdominal cavity. Most of affected animals, however, have been detected at the slaughter house or routine necropsy. The purpose of this study was to examine the occurrence and distribution of abdominal fat necrosis in Korean native cattle, and its pathologic features. Postmortem inspection at an Chonju abattoir during a three-month period in 1997 detected at necrosis lesions in 67(6.6%) of the 1,012 animals received for slaughter. The occurrence was mainly in alimentary tracts and perirenal. Both sexes were affected, but the lesion were predominantly occurred in female. Gross lesions were white or yellowish in color and formed hard lumps irregular in shape ranging from small nodules to large solid masses. On the cut surface, lesions were occasionally seen chalky calcified granules and some of the lesions contained oil-like fluid. The surface of irregular shaped masses constricted kidneys and intestinal loops. Microscopically, the masses were encapsulated by thickened fibrous tissue, which infiltrated deeply and divided them into many irregular lobules. Initial lesions presented mild inflammatory cell and fibrous proliferation. It became fibroplasia in progressive lesions and resembled chronic lesion, eventhough no grossly apparent inflammatory reaction. The hard consistency of masses, due to fibroplasia, can compress the intestines, urinary organs, and reproductive organs.
윤여백,김영진,김추철,노영선,권미순,김철민,임채웅 한국동물위생학회 2004 韓國家畜衛生學會誌 Vol.27 No.2
A dairy farm that has been suffered continuously(more than 2 years) from brucellosis in Korea in spite of repeated legal test-and-slaughter was investigated the main source of infection in the farm. All cattle(22 milking cows, 44 heifers, 60 calves, 8 bull), dogs(3 mixed breed), feces from wild birds(3 samples), drinking water(3 sites), and soil in the paddocks(14 sites) inside the farm were examined with serological and/or bacteriological methods including specific DNA detection with PCR method. Brucella spp in the milk and blood were detected in 12/22 and 5/22 milking cows, respectively, although all of them were negative with conventional tube agglutination test. The number of serologically positive heifer was 15(15/44), but the isolation of Brucella spp was succeeded in the only 11(11/15) of them. Brucella were detected in vagina 1(1/11) and nasal(3/12) excretion in serologically positive heifers. All the three dogs were serologically positive, and Brucella spp were isolated from their blood. However, Brucella spp were not detected in the drinking water, soil in the paddocks, nor the feces of wild birds. The results suggest that milking cow secrete Brucella spp through milk, genital tract and nasal cavity, which are the major source of infection in this farm, The main infection route of Brucella spp is contact to contact with Brucella spp excreting animals rather than environmental contamination. The animals, living together with infected cow such as dogs, are the readily susceptible and are required to be examined for Brucella spp.
CMT 양성 유즙에서 유방염 원인균 분리 및 분리균의 항균제 감수성
이정원 ( Jeong Won Lee ),김추철 ( Chu Cheul Kim ),윤여백 ( Yea Baek Yoon ),송희종 ( Hee Jong Song ),최인방 ( In Bang Choi ) 한국가축위생학회 1997 韓國家畜衛生學會誌 Vol.20 No.2
This study was carried out to isolate of causative agents from CMT-positive and mean somatic cell count(SCC) >=500,000 cells/ml mastitic milk, and evaluate to antimicrobial susceptibility of isolates in Iksan branch area from January to November, 1996. 1. The CMT-positivity(SCC 500,000 cells/ml) of 610 heads was 36.2%(221), and of 2,373 quarter milks was 16.1%(383). 2. The Gram-positive isolates were 153 strains which was Staphylococcus sp(115), Micrococcus sp(18), Streptococcus sp(10), Listeria monocytogenes(5) and Enterococcus faecalis(5). 3. The Gram-negative isolates were 66 strains including E coli(14), Yersinia sp(13), Shigella sp(8), Enterobacillus sp(8), Cedecea sp(5), Pseudomonas aeruginosa(5), Proteus sp(5), Klebsiella sp(4), Salmonella sp(2), Kluyvera ascorbata(1) and Tatumella Ptyseos(1). 4. The Gram positive strains of isolates were moderately susceptible to T/s, Cp, Pd, Imp, Aug, Rif, Cft and Va. And the Gram negative strains of isolates were moderately susceptible to T/s, Cp, Imp, Pi and Ti, in order.5. Multiple antimicrobial resistant patterns were encountered 62 and 36 from Gram positive and negative isolates, respectively.
윤여백 ( Yea Back Yoon ),김영진 ( Young Jin Kim ),김추철 ( Choo Cheol Kim ),노영선 ( Young Sun Rho ),권미순 ( Mee Soon Kwon ),김철민 ( Chul Min Kim ),임채웅 ( Chae Woong Lim ) 한국가축위생학회 2004 韓國家畜衛生學會誌 Vol.27 No.2
A dairy farm that has been suffered continuously(more than 2 years) from brucellosis in Korea in spite of repeated legal test-and-slaughter was investigated the main source of infection in the farm. All cattle(22 milking cows, 44 heifers, 60 calves, 8 bull), dogs(3 mixed breed), feces from wild birds(3 samples), drinking water(3 sites), and soil in the paddocks(14 sites) inside the farm were examined with serological and/or bacteriological methods including specific DNA detection with PCR method. Brucella spp in the milk and blood were detected in 12/22 and 5/22 milking cows, respectively, although all of them were negative with conventional tube agglutination test. The number of serologically positive heifer was 15(15/44), but the isolation of Brucella spp was succeeded in the only 11(11/15) of them. Brucella were detected in vagina 1(1/11) and nasal (3/12) excretion in serologically positive heifers. All the three dogs were serologically positive, and Brucella spp were isolated from their blood. However, Brucella spp were not detected in the drinking water, soil in the paddocks, nor the feces of wild birds. The results suggest that milking cow secrete Brucella spp through milk, genital tract and nasal cavity, which are the major source of infection in this farm, the main infection route of Brucella spp is contact to contact with Brucella spp excreting animals rather than environmental contamination. The animals, living together with infected cow such as dogs, are the readily susceptible and are required to be examined for Brucella spp.
전북지역 종계에서 avian pneumovirus 및 reovirus 항체가 조사
이정원 ( Jeoung Won Lee ),손구례 ( Ku Rye Shon ),박기승 ( Ki Shung Park ),김윤태 ( Youn Tae Kim ),김추철 ( Choo Cheol Kim ),한규삼 ( Kyu Sam Han ),이희문 ( Hee Mum Lee ),송희종 ( Hee Jong Song ) 한국가축위생학회 2006 韓國家畜衛生學會誌 Vol.29 No.1
The ELISA titers to avian pneumovirus(APV) and avian reovirus(ARV) were surveyed to sera of 38 breeder farms(78 blocks, 1,560 hens) in Jeonbuk province during February to October, 2005. In APV, the positive ELISA were detected 36(94.7%) breeders, 71(91.0%) blocks, 1,057(67.8%) hens, and their S/P ratio was 1.940. Regionally, the positivity of 24 breeders farms in the Jeonju, Jeongeup, Namwon, and Jangsu were noted as 100%, whereas 85.7% in Iksan. The positivity to species such as Cobb(20), Ross(13) and Hanhyup-3(5), all of the breeding farms were detected as positive, 40(86.9%), 17(94.4%) and 14(100.0%) in blocks, 553(60.1%), 285(79.2%) and 219(78.2%) in hens, and their mean S/P ratio were 1.677, 1.769 and 2.254, respectively. The positivity of the breeders vaccinated with ARV, all of the 9 breeder farms(38 blocks) were noted as 100%, but 627(82.5%) in hens, and its mean S/P ratio was 1.273. Whereas nonvaccinated with ARV were 28(96.5%) in breeders farms, 38(95.0%) in blocks, 660(82.5%) in hens, and the mean S/P ratio was 1.612. In species which were vaccinated with ARV, 11 breeder farms(38 blocks) were noted as 100%, but 82.5% in hens, and their mean S/P ratio were 1.315. Whereas in nonvaccinated with ARV, 25(92.6%) in farms, 38(95.0%) in blocks and 660(82.5%) in hens were positive, and their mean S/P ratio was 1.532.