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박병옥 ( Byoung Ok Park ),백미순 ( Mi Soon Back ),권기호 ( Ki Ho Kwon ),우기방 ( Ki Bang Woo ),장기윤 ( Ki Yoon Chang ) 한국가축위생학회 1991 韓國家畜衛生學會誌 Vol.14 No.1
Antibiotic residues of raw milks collected in Anyang area were tested by TTC-reduction test, EEC-4plate method and TLC(SOS-kit) method to improve and monitor the quality of milk. Antibiotic substances were not detected from 100 raw milk samples, but sulfamethazine was detected from only one sample(1.3PPM) by SOS test. Unclassified anti-microbic substances were detected from 22 samples by EEC-4 plate method. EEC-4 plate test was useful to categorize the species of antibacterial substances and SOS test was useful to detect the sulfamethazine field screening test.
국내(國內)에서 분리(分離)한 닭 레오바아러스의 성상에 관(關)한 연구(硏究)
김성식 ( Sung Shik Kim ),박병옥 ( Byoung Ok Park ),김순재 ( Soon Jae Kim ) 한국가축위생학회 1992 韓國家畜衛生學會誌 Vol.15 No.1
Avian reoviruses have been implicated in respiratory disease enteric conditions including Cloacal pasting in young chicks, pericarditis, hydropericardium, anaemia with swollen spleen and liver and petechiation of skeletal muscle and viral arthritis. This study was conducted to examine properties of reovirus field 3 strains isolated from affected broiler from several farms. An infectious agent was isolated from leg tendons and intestine of broiler with clinical tenosynovitis. The agent grew well on the chicken embryo kideny cells(CEK). One of them produced cytopathic effects(CPE) of round type and formed intranuclear inclusions, and the other was characterized by CPE of syncytical type and cytoplasmic inclusion. The properties and serological classification of field strains were examined by hemagglutin test, virus neutralization test, agar gel precipitin, electropherotype. They showed no hemagglutination reactions and not well neutralization and to possess common antigens detectable by AGP test. RNA electropherotype presented 10 segment band as the previous report. These data suggest that the field strains and standard strains(1133, 1733) may be the same group.
경기지역 도축돈의 Bordetella bronchiseptica에 관한 조사
여운창 ( Un Chang Yeo ),박병옥 ( Byoung Ok Park ),백미순 ( Mi Soon Back ),권기호 ( Ki Ho Kwon ),우기방 ( Ki Bang Woo ) 한국가축위생학회 1993 韓國家畜衛生學會誌 Vol.16 No.1
The present study was conducted to investigate the isolation frequency, biochemical properties and antimicrobial susceptibility of B. bronchiseptica isolated from slaughtered pigs during the period from March to December, 1992. in Kyeonggi province. A serological survey for antibody of B. bronchiseptica in 200 slaughtered pigs was carried out by agglutination and tetrazolium reduction methods. The results were summarized as follows; 1. From 80 slaughtered pigs, 27(33.8%) case were isolated and all isolate strains were resistant to Penicillin, Streptomycin, Chloramphenicol, Tetracycline and Ampicillin, while the majority of them were susceptible to Gentamicin, Cloxacin, Colistin, Neomycin, and Kanamycin. 2. Incidence of B. bronchiseptica antibody in 200 slaughtered pigs were measured by agglutination and tetrazolium reduction methods. Agglutination method was shown 38(19%) of 200 with a titer of below 1:20 and 20(10%) of 200 with a titer of above 1:640. Tetrazolium reduction method was observed 33(16.5%) of 200 with a titer of below 1:20 and 32(16%) of 200 with a titer of above 1:640. 3. LSD analysis indicated that the difference of the responses between agglutination test and tetrazolium reduction test was not significant.