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Analysis for nucleotide sequence of the small membrane (sM) protein gene of porcine epidemic diarrhea virus Chinju99 isolated in Korea
2007
Yeo, S.G. (Kyungpook National University, Daegu, Republic of Korea), E-mail: sgyeo@knu.ac.kr | Lee, C.H. (Kyungpook National University, Daegu, Republic of Korea)
To provide information for the molecular pathogenesis and antigenic structures of Korean isolates of porcine epidemic diarrhea virus (PEDV), the small membrane (sM) protein gene of Chinju99 strain, which was previously isolated from piglets suffering from severe diarrhea was characterized and further analyzed with other PEDV strains. The sM gene of Chinju99 generated by reverse transcription and polymerase chain reaction had a single open reading frame with 231 bases consisting of 24.2% adenine, 18.6% cytosine, 18.1% guanine and 39.0% thymine nucleotides.
Afficher plus [+] Moins [-]Multicentric T cell lymphosarcoma in a Jeju native boar
2007
Yang, H.S. (Cheju National University, Jeju, Republic of Korea) | Kang, S.C. (Cheju National University, Jeju, Republic of Korea) | Jung, J.Y. (Cheju National University, Jeju, Republic of Korea) | Roh, I.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Kim, D.Y. (Seoul National University, Seoul, Republic of Korea) | Bae, J.H. (Cheju National University, Jeju, Republic of Korea) | Kim, J.H. (Cheju National University, Jeju, Republic of Korea), E-mail: kimjhoon@cheju.ac.kr
A 7-year-old Jeju native boar was requested to the Veterinary Pathology Laboratory of Cheju National University with a clinical signs of anorexia, melena, lethargy and sudden death. At necropsy, four coalescing firm masses were occupied in the abdominal cavity between ventral surface of stomach and pancreas. Individual mass was a yellowish white in color and up to 6 cm in diameter. These masses were not encapsulated and bulged from the cut surface. Liver and spleen were enlarged and pale nodules were presented in these tissues.
Afficher plus [+] Moins [-]Larval migration inhibition activity of ivermectin, doramectin and ethanol against Anisakis simplex in vitro
2007
Jeon, J.H. (Chungbuk National University, Cheongju, Republic of Korea) | Jee, C.H. (Chungbuk National University, Cheongju, Republic of Korea), E-mail: chjee@cbnu.ac.kr
This experiment has been investigated in order to examine larval migration inhibition activity of ivermectin, doramectin and ethanol against Anisakis simplex (A. simplex) in vitro. A. simplex larvae were obtained from the mackerel acquired from the fish market of Cheongju. They were divided into many groups and placed in culture dishes (40 larvae each) containing RPMI-1640, in the absence or presence of different concentrations of ivermectin, doramectin and ethanol. Ivermectin had a complete inhibition of larval migration at 72 h in all groups (10-300 ㎍/ml).
Afficher plus [+] Moins [-]Microwave fixation of Setaria Digitata for scanning electron microscopy
2007
Lee, S.S. (Chonnam National University, Gwangju, Republic of Korea) | Cho, K.O. (Chonnam National University, Gwangju, Republic of Korea) | Shin, K.S. (Soonchunhyang University, Asan, Republic of Korea) | Shin, S.S. (Chonnam National University, Gwangju, Republic of Korea), E-mail: sungshik@jnu.ac.kr
Conventional processing of biological materials including nematode parasites for scanning electron microscopy includes fixation with glutaraldehyde and osmium, followed by dehydration in an ascending grade of ethanol, and finally freeze drying. This procedure takes about 8 to 12 h depending on the characteristics of samples. Microwave irradiation of 2,450 MHz enhance the action of cross-linking fixatives and can greatly accelerate various stages of tissue processing. In this study, samples of nematode parasites, Setaria digitata, were fixed by a combination of conventional chemical fixation and the microwave irradiation during the process.
Afficher plus [+] Moins [-]Comparison of osteoinductive efficacy of freezing, freeze-drying and defat-freezing implant preparation for allograft in rabbit
2007
Lee, J.I. (The University of Tokyo, Tokyo, Japan) | Song, H.N. (Seosin Animal Hospital, Jeonju, Republic of Korea) | Kim, N.S. (Chonbuk National University, Jeonju, Republic of Korea), E-mail: namsoo@chonbuk.ac.kr | Choi, I.H. (Chonbuk National University, Jeonju, Republic of Korea)
Bone allograft had been increased the need because autogenous bone graft is associated with donor site morbidity and is restricted in quantity. The bone allograft implants have to prepare properly for increasing osteoinductive ability and decreasing immune responses before providing to graft. The purpose of this study was to investigate the efficacy on new bone formation in bone allografts by treatment of implants. Cortical bone allografts were transplanted to experimental defects on midshaft of diaphyseal fibulae in 15 rabbits, which were divided to 3 experimental groups according to the preparation methods-freezing, freeze-drying, defat-freezing.
Afficher plus [+] Moins [-]The effect of Dochetang for the treatment of chronic diarrhea in a 4 months-old-female Korean native calf
2007
Chon, S.K. (Wow Animal Clinic, Iksan, Republic of Korea) | Kim, N.S. (Chonbuk National University, Jeonju, Republic of Korea), E-mail: namsoo@chonbuk.ac.kr
This study was carried out to evaluate the effects of Dochetang for the treatment of chronic diarrhea in a 4 months-old-female Korean native calf. The calf was presented to the Wow Animal Clinic, Iksan with the history of chronic diarrhea for several weeks. The feces test did not reveal the presence of the parasites or microbes causing diarrhea in calf. The blood test was also negative to the virus that causes of diarrhea in calf. Adminstration of parenteral antibiotics resulted in improvement of the condition temporarily but diarrhea was recurred again after 2-3 weeks.
Afficher plus [+] Moins [-]Familial renal amyloidosis in a Shar Pei dog
2007
Lee, S.G. (Kangwon National University, Chuncheon, Republic of Korea) | Moon, H.S. (Kangwon National University, Chuncheon, Republic of Korea) | Han, J.H. (Kangwon National University, Chuncheon, Republic of Korea) | Yoon, B.I. (Kangwon National University, Chuncheon, Republic of Korea) | Hyun, C.B. (Kangwon National University, Chuncheon, Republic of Korea), E-mail: hyun5188@kangwon.ac.kr
Familial renal amyloidosis was found in a four-year-old male Shar Pei dog. The dog had intermittent fever with signs of renal failure. Another sibling of this dog also showed subclinical signs of renal amyloidosis. Despite aggressive therapy with peritoneal dialysis, the dog died after 10 days of the first presentation. With special staining for amyloid, the renal amylodosis was confirmed.
Afficher plus [+] Moins [-]Occurrence of hydropericardium-hepatitis syndrome in broilers and baeksemis raised in Korea
2007
Kim, K.S. (Kyungpook National University, Daegu, Republic of Korea), E-mail: kimkiseuk@mail.knu.ac.kr | Ha, J.S. (Kyungpook National University, Daegu, Republic of Korea) | Kim, J.H. (Kyungpook National University, Daegu, Republic of Korea)
The occurrence of hydropericardium-hepatitis syndrome was confirmed for the first time in Korea from chickens submitted for diagnosis to our laboratory from broiler and baeksemi farms. Clinical signs included depression, inappetence, ruffled feathers and an increase in mortality. At necropsy, severe hydropericardium and hepatic necrosis was characteristically found. The most remarkable microscopic changes were seen in the liver, including basophilic intranuclear inclusion bodies in the hepatocytes, massive hemorrhages and necrosis in the liver parenchyma.
Afficher plus [+] Moins [-]Occurrence and treatment of mixed infections with Vibrio anguillarum and Ichthyobodo sp. from cultured oliver flounder (Paralichthys olivaceus)
2007
Jang, H. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Moon, J.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea), E-mail: moonjs@nvrqs.go.kr | Joh, S.J. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Kim, J.Y. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Son, S.W. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)
The high mortality (65.5%) of young olive flounder (Paralichthys olivaceus) showing skin ulcers occurred in fish obtained from a commercial cultured farm at Donghae on the eastern coast of Korea at March 2006. The dorsal skin showed ulcer lesions and large amount of mucus. We isolated Ichthyobodo sp. from the gill, and Vibrio anguillarum from the liver and kidney of dead and diseased fish. All of the fish infected with the V. anguillarum and Ichthyobodo sp. were treated with 100 ppm formalin for 1 h, and treated with oxolinic acid for 4 h at 22℃, respectively.
Afficher plus [+] Moins [-]Malignant aortic body tumor in a Korean Jindo dog
2007
Hwang, D.N. (Konkuk University, Seoul, Republic of Korea) | Kang, B.T. (Konkuk University, Seoul, Republic of Korea) | Hur, T.Y. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Chang, B.J. (Konkuk University, Seoul, Republic of Korea) | Park, H.M. (Konkuk University, Seoul, Republic of Korea) | Yhee, J.Y. (Konkuk University, Seoul, Republic of Korea) | Yu, C.H. (Konkuk University, Seoul, Republic of Korea) | Sur, J.H. (Konkuk University, Seoul, Republic of Korea), E-mail: jsur@konkuk.ac.kr
A-7-year-old, intact female Korean Jindo dog was referred due to ataxia and pain on palpation of the thorax. Radiograph, echocardiography and computed tomogram revealed a mass on the heart base region and osteolytic change of fifth thoracic (T5) vertebra. At necropsy, a firm, encapsulated and round mass was seen arising from the heart base region surrounding the ascending aorta and pulmonary artery. Histopathologically, nests of cuboidal and polyhedral cells having abundantly granular and eosinophilic cytoplasm with round to oval nucleus were separated by fibrous septa.
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