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정영미 ( Young Mee Jung ),김기주 ( Ki Joo Kim ),엄성심 ( Sung Shim Eum ),이지영 ( Ji Young Lee ),노영선 ( Young Sun Rho ),서석열 ( Surk Yul Seo ),박정배 ( Jong Bae Park ),이희문 ( Hee Moon Lee ),정동석 ( Dong Suk Joung ) 한국가축위생학회 2004 韓國家畜衛生學會誌 Vol.27 No.1
This survey was performed to investigate avian salmonellosis from broiler farms in Namwon area for 4 years. The whole samples from farms were 541 and chicken samples were 294. Out of 294, 83 cases were identified with avian salmonellosis for 4 years by various serological and biochemical tests. There was no outbreak of pullorum disease, but fowl typhoid occurred in 36 farms. The outbreak of avian salmonellosis occurred continuously regardless of seasons throughout the year. Avian salmonellosis mostly happened within 10 days of age which were 52 cases(63%). The selection of susceptible antibiotics has changed from Quinoline group in 2000 to amoxacillin+clavulanic acid(AmC).
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.