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권미순 ( Mee Soon Kwon ),이지영 ( Ji Yoog Lee ),박인규 ( In Gyu Park ),윤여백 ( Yeo Baik Yoon ),정동석 ( Dong Suk Joung ) 한국가축위생학회 2006 韓國家畜衛生學會誌 Vol.29 No.3
The present study was done to investigate the effect of dietary supplemental freezer dry powder fermentation soybean by Bacillus subtilis(natto) on the growth performance and intestinal microflora, prevention of fowl typhoid infection, the uptake of vegetative diet in broiler chickens. The chickens were fed control diet(supplement antibiotics) and fermentation soybean(0.75, 1.5, 3%) diets. A total of 280 one day old broiler chickens with randomly mixed sexes were fed the four diets for 6 weeks. Body weight gain of chicken fed 1.5% fermentation soybean by B subtilis tend to increase higher than the control from 6th week. Chickens fed diets containing 1.5% fermentation soybean by B subtilis had higher intake than those fed the other levels to the 3th weeks, but lower than control from the 4th week to the 6th week. Feed conversion also improved significantly in the supplemental 1.5% fermentation soybean by B subtilis from the 4th week to the 6th week. The number of B subtilis and Lactobacillus spp in the ileum and cecum tend to increase in the supplemental fermen-tation soybean by B subtilis at 6 week of age, but was not significantly different. In the nutrient digestibility, the feed conversion on the supplemental 1.5% fermentation soybean by B subtilis was better than the control and the weight of drying feces lower than the control. In test of S gallinarum intramuscular inoculation, reisolation rate of S gallinarum in liver and feces 1.5% the fermentation soybean by B subtilis 75%(liver), 17%(feces) had decreased than the control.
남원지소 관내 한우와 홀스타인 비육우에서 Neospora caninum 감염실태조사
권미순 ( Mee Soon Kwon ),정재명 ( Jae Myong Jeong ),이지영 ( Ji Yoog Lee ),배정준 ( Jong Jun Bae ),윤여백 ( Yeo Baik Yoon ) 한국가축위생학회 2008 韓國家畜衛生學會誌 Vol.31 No.1
In this study two stage investigation was used for seroprevalence of Neospora caninum in cattle between January, 2005 and November, 2007; first stage was to examine positiveness of the farms selected randomly, second was to test all individual cow in positive farms. A total of 850 sera were collected from 170 farms for the first stage, and positive rate of farm and head were 23.5% (40/170farms) and 7.5% (64/850heads), respectively. Seroprevalence of Holstein cattle was much higher than that of Hanwoo. In second stage positive rate of cow was 18.9% (246/1,303 head), but seroprevalence of farm was very variable(1-90.5%). It was supposed that 3 farms with high positive rate had some risk factors to be infected; raising dogs in the same farm, location of hill-side where is easy to contact with wild animals.
돼지유행성설사병(PEDV) 생독과 사독백신의 면역형성 비교연구
권미순 ( Mee Soon Kwon ),조현웅 ( Hyun Ung Cho ),이은미 ( Eun Mi Lee ),이지영 ( Ji Yoog Lee ),서형석 ( Heyng Seok Seo ),임정철 ( Jeong Cheol Im ),허부홍 ( Boo Hong Hur ) 한국가축위생학회 2009 韓國家畜衛生學會誌 Vol.32 No.3
Porcine transmissible gastroenteritis virus (TGEV), porcine epidemic diarrhea virus (PEDV) and rotaviruses are considered as the most important causative agents of diarrhea in piglets. The study established 3 method vaccination programs to prevent PEDV. A (LL)group inoculated twice vaccinations on 2-weeks-interval during the late term of pregnant sows with PEDV live vaccine. The B (LKK) group was applied that one time single PEDV live vaccine at the pre-mate followed by the TGEV·PEDV combined inactivated vaccine (twice vaccination on 2-weeks interval at the third-trimester). C (KK) group was applied to sow which inoculated twice vaccination on 2-weeks-interval during the late term of pregnant sows with by the TGEV, PEDV combined inactivated vaccine. As the result of SN test on sows in the pig farm before vaccination, antibody titers was showed 9/45 (20.0%). By comparison with the serum neutralizing antibody titers against PEDV of the vaccination programs after PEDV of the vaccination, A group and B group vaccination method was higher than those of C group in sows. In the piglets up to 2 weeks of age, A group was showed antibody titers of 17/22 (81.8%) that showed 2-128, and B group was showed antibody titers of 30/37 (81.1%) that showed 2-512, and C group was showed antibody titers of 14/28 (50.0%) that showed 2-32. On the other hand, PEDV antibody titers were tested for the survey. As the results of SN test, Aujeszky`s disease survey in 54 pig farms from november 2005 to august 2006, antibody titers of 47/286 (16.4%) showed above 2. Five breeding farms were antibody titers of 38/77 (49.4%), Wanggung zone farms antibody titers of 59/85 (69.4%). In pigs farms vaccinated the first of twice PEDV live vaccine, and after 6 month, the second of twice TGEV·PEDV combined inactivated vaccine (LLKK, 256-1024 titer) method was higher than those of vaccinated twice the early term of pregnant, and twice the late term of pregnant sows of PEDV live vaccine (LLLL, 32 titer).
이지영 ( Ji Young Lee ),권미순 ( Mee Soon Kwon ),추금숙 ( Keum Suk Chu ),조현웅 ( Hyun Ung Cho ),이정원 ( Jeoung Won Lee ),서재식 ( Jae Sik Seo ),송희종 ( Hee Jong Song ) 한국가축위생학회 2007 韓國家畜衛生學會誌 Vol.30 No.3
This is a case report on the occurrence of inclusion body hepatitis(IBH) and infectious bursal disease(IBD) among the broilers in a local farm located in Wanju, Jeollabukdo. Mostly IBH could be caused by adenovirus if the bird`s immune system was first weakened by exposure to immunosupressive agents such as infectious bursal disease virus(IBDV) and chicken anemia virus(CIAV). However IBH primary occurred before IBD in this case. And recent work has demonstrated that virulent adenovirus alone can produce the disease.
이은미 ( Eun Me Lee ),신동수 ( Dong Su Shin ),권미순 ( Mee Soon Kwon ),이성재 ( Sung Jae Lee ) 한국동물위생학회 2015 韓國家畜衛生學會誌 Vol.38 No.3
Pathogenic microorganisms were monitored on the chicken carcasses in slaughterhouse of Jeonbuk area. It was conducted to evaluate the microbiological quality on 204 chicken carcasses. Staphylococcus (S.) aureus was isolated in largest number and its ration was 41.2%, Salmonella spp. 6.4%, Campylobacter (C.)jejuni 7.4%, C. coli 7.4%. Serotype of Salmonella (S.) spp. was identified as S. Infantis 46.1%, S. Enteritidis 23.1%, S. Typhimurium 7.7%, S. Montevideo 7.7%. In breed chickens, Salmonella spp. was detected broiler 4.1%, white semi-broiler 8.0% Korean native chicken 12.0%. C. jejuni was isolated broiler 7.4%, white semi-broiler 12.0%, Korean native chicken 0%, C. coli, broiler 7.4%, white semi-broiler 0%, Korean native chicken 18.1% and S. aureus, broiler 38.8%, white semi-broiler 40.0%, Korean native chicken 51.5%.
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.