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손구례 ( Ku Rye Shon ),김지현 ( Ji Hyun Kim ),추금숙 ( Keum Suk Chu ),이정원 ( Jeong Won Lee ) 한국동물위생학회 2015 韓國家畜衛生學會誌 Vol.38 No.1
This study was carried out to investigate the Sacbrood virus (SBV) of Korean native honeybees causing serious damage in Jeonbuk area. Korean native honeybees completing the after overwinter 60 farms and March to April active phase adult bees and larvae 52 farms were collected from farms in 7 counties. Active phase of the adult bees 39 (75.0%) and larvae 24 (46.2%) farms was infected with SBV in 52 farms. This result indicate that SBV was the highest in Imsil-gun than other areas.
손구례 ( Ku Rye Shon ),이정원 ( Jeoung Won Lee ),이희문 ( Hee Mum Lee ) 한국가축위생학회 2007 韓國家畜衛生學會誌 Vol.30 No.1
Bovine leukosis is one of the important diseases in Korea because of economic losses, and this study was conducted to provide basic information for the control of the disease. A total of 2,104 sera were obtained from 491 farms and examined by commercial kit. In the seroprevalence of farms and heads, 71 farms out of 491 were seropositive (14.5%) and 119 heads were positive (5.7%) out of 2,104. In the areal distribution of seropositiveness, Soseong-myeon showed the highest rate (39.5%, 15/38 farms)and Yeongwon-myeon was the lowest (2.6%, 1/38 farms). By age, positive rate in the below of 1 year old cattle was much less than that in the over of 1 year old, namely, the former was 1.9% (3/161 farms) and the latter 20.6% (68/330 farms). According to the farm size, there was no significant difference among the size. However, the highest rate was shown in the farms having 50-99 heads, 23.2% (13/56 farms).
한우에서 고온스트레스에 의한 Mannheimiosis 발생 증례
이정원 ( Jeong Won Lee ),손구례 ( Ku Rye Shon ),정한솔 ( Han Sol Jeong ),고원석 ( Won Seok Ko ),임채웅 ( Chae Woong Lim ),김범석 ( Bum Seok Kim ) 한국동물위생학회 2015 韓國家畜衛生學會誌 Vol.38 No.3
Mannheimia haemolytica is an opportunistic bacterium that is widely recognized among the bovine respiratory disease (BRD) complex in cattle. Five Hanwoo with a history of fever, anorexia and dyspnea were died within 2 days in a the middle of summer. Four cattle were pregnant. The cattle house were located in mountainous area but the window for air ventilation was open only one side. In addition, the fecal material for fermentation was located indoor. Air ceiling fan did not work. The indoor temperature was 40oC. After working on air fan, the indoor temperature was still 36oC. On necropsy, there was fibrinous pleuritis with a rich yellowish pleural fluids in the thorax. The cross-section of the lung showed lobar fibrinonecrotic pneumonia with expanded interlobular septa by edema and fibrin. Microscopically, parenchymal necrosis with dense layer of inflammatory cells were observed surrounding interlobular septum. Fibrin and inflammatory cells were filled in the alveoli. Bacteriological cultures of pulmonary tissue showed growth of M. haemolytica. This pneumonia case in Hanwoo suggests that environmental stressors such as high temperature, insufficient air ventilation, and pregnancy be the cause of mannheimoisis. Control of environmental stressor, such as temperature indoor is necessary to prevent BRD caused by M. haemolytica.
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.
전북 동부지역 한우에서의 유사산 유발 질병 항체가 조사
송지민 ( Ji Min Song ),손구례 ( Ku Rye Shon ),고원석 ( Won Seok Koh ),이정원 ( Jeong Won Lee ) 한국동물위생학회 2014 韓國家畜衛生學會誌 Vol.37 No.3
Reproductive losses in a herd can be huge. Fetal reabsorption or undefined infertility often remain undetected. Routine herds monitoring for exposure, controlling the introduction of potential agent carriers, appropriate biosafety procedures, and vaccination where possible are together the best security against abortion and stillbirth inducing disease. For biosecurity of local farms, we performed antibody titers of abortion and stillbirth related diseases such as bovine viral diarrhea virus (BVDV), infectious bovine rhinotracheitis virus (IBRV), Neospora caninum, Toxoplasma gondii and Campylobacter fetus subsp venerealis. The blood samples were collected from 500 female Hanwoo over 1 year old of 100 farms in Jeonbuk eastern area. Champhylobater serological test was evaluated by the standard tube agglutination test (STAT) and other pathogen’s antibodies were detected by indirect-enzyme linked immunoassay (I-ELISA). The seroprevalence of abortion and stillbirth inducing disease were BVDV 72.4%, IBRV 13.0%, N. caninum 1.2%, T. gondii 10.4% and C. venerealis 0.6%, irrespectively.
박태욱 ( Tae Wook Park ),고원석 ( Won Seok Koh ),허철호 ( Cheal Ho Heo ),손구례 ( Ku Rye Shon ),김종승 ( Chong Sung Kim ),양홍지 ( Hong Ji Yang ),이상복 ( Sang Bork Lee ),배정준 ( Jeong Joon Bae ) 한국가축위생학회 2002 韓國家畜衛生學會誌 Vol.25 No.1
In order to monitor the parasites, 233 fecal samples were taken form horse in Jeonbuk area. Then identification of the parasites were determined by the fecal examination using the floatation and microscopical examination, respectively. The detection rate. was 31.7%, and mixed infection rate was single 22.7%(53 heads), double 8.2%(19 heads), and triple 1.3%(1 heads). The isolates were identified as Trichostrongylus axei from 38 heads, Strongyloides westeri from 30 heads, Trichonema spp from 11 heads, Stongylus spp from 10 heads, Triodontophorus spp from 4 heads, and Dityoczzulus arnfielde from 1 head.
Clostridium perfringens 감염에 의한 한우 집단 폐사 증례
이정원 ( Joung Won Lee ),김지영 ( Ji Young Kim ),곽길한 ( Kil Han Kwak ),육현수 ( Hyun Su Yuk ),손구례 ( Ku Rye Shon ),고원석 ( Won Seuk Koh ) 한국가축위생학회 2011 韓國家畜衛生學會誌 Vol.34 No.1
This is a case report that 24 heads of cattle suddenly died without clinical signs in a Hanwoo farm. The cause of death was Clostridium perfringens enterotoxemia resulted from them with feeding leftover food. The clinical signs were observed just before the death; increase of heart rate, shallow and rapid respiration, amyostasia, spasm and so forth. In autopsy, blood coagulation disorder, a little abdominal inflation, hepatomegaly and different size of red spots, congestion hemorrhage and undercurrent of bloody exudation were observed in the entire parts of small and large intestines. C. perfringens were isolated from the substantive organs, and a unique fragment of 405bp C. perfringens was amplified by PCR. Therefore, this case was diagnosed as enterotoxemia caused by α-toxin of C. perfringens A type.
전북지역 염소에서 Coxiella burnetii 감염실태 조사
강수진 ( Su-jin Gang ),정재명 ( Jae-myong Jeong ),김현관 ( Hyun-kwan Kim ),이재욱 ( Jae-wook Lee ),손구례 ( Ku-rye Shon ),박태욱 ( Tae-wook Park ) 한국가축위생학회 2016 韓國家畜衛生學會誌 Vol.39 No.4
The prevalence of Coxiella burnetii in native Korean goats in Jeonbuk province was investigated using ELISA (sera) and PCR (vaginal mucus). A total of 798 blood samples from 189 farms were collected in 2013 and 2015. Sero-prevalence was 13.6% in 2013 and 15.7% in 2015. Tracking survey of six seropositive farms on the prevalence of C. burnetii was conducted. 137 (41.4%) out of 331 goats were seropositive and 47 (17.6%) out of 267 goats were positive in PCR. The higher seropositivity observed in adult goats and female goats significantly, the seroprevalence of C. burnetii was higher as age increased (<1 y=13.2%∼≥5 y=100%)(P<0.05) and female goats (44.8%) was higher than male goats (24.1%) on the seroprevalence (P<0.05). 21 (7.9%) goats positive in PCR was seronegative. The prevalence of C. burnetii in native Korean goats in slaughter house was 30.0% in ELISA and 11.5% in PCR. Significantly, female goats (62.8%) was higher than male goats (12.3%) on the seroprevalence (P<0.05). Based on these data, C. burnetii was easily exposed in domestic animals: native Korean goats-related areas such as farms and slaughter house.
추금숙 ( Keum Sook Chu ),정우리 ( Woo Ri Jung ),양승혁 ( Seung Hyuk Yang ),이명찬 ( Myung Chan Lee ),손구례 ( Ku Rye Shon ) 한국동물위생학회 2023 韓國家畜衛生學會誌 Vol.46 No.4
The outbreak of lumpy skin disease (LSD), caused by LSD virus (LSDV), in Jeollabuk-do was first confirmed at a Korean cattle farm in Buan-gun on October 24, 2023. Afterwards, thirteen cases (twelve cases in Gochang-gun and a case in Imsil-gun) were further confirmed, resulting in a total of fourteen cases over 25 days until November 17, 2023. Clinical examination were conducted on infected and co-habitting cattle from the LSD-affected farms with particular focus on the presence of nodules throughout the body such as head, neck, chest, femur, head, and perineum. As a results, abnormal clinical signs were observed in fifteen cows: loss of appetite in six cows, high fever in three cows, eye mucosal nodules in a cow, nasal mucosal nodules in six cows, nodules on perineum in five cows, scrotum nodules in two cows, papillary nodules in a cow, and/or skin nodules in eleven cows. By the PCR methods, the common gene of capripox virus and/or the specific gene of LSDV were detected in 35 of the 69 cows tested this study. In the Farm1, capripox virus-specific gene, LSDV wild strain-specific gene, and LSDV vaccine strain-spcific gene were simultaneously detected in affected cows, indicating the cattle farm was affected by various strain of LSDV. As a result of combining clincal examination and PCR test, it was found that clinically and subclinically infeted cows coexist in the LSDV-infected farms. These finding in this study will be a great help in diagnosis and prevention of the LSD in Korean cattle farms.