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Imprinting of a foal and large intestine prolapse associated with uterine rupture in a Thoroughbred broodmare
2005
Yang, J.H. (Korea Racing Association, Jeju, Republic of Korea) | Kim, S.Y. (Cheil Bio LTD., Ansan, Republic of Korea) | Kim, H.S. (Cheju National University, Jeju, Republic of Korea) | Yang, Y.J. (Korea Racing Association, Jeju, Republic of Korea) | Lee, Y.D. (Korea Racing Association, Jeju, Republic of Korea) | Kang, T.Y. (Cheju National University, Jeju, Republic of Korea) | Hwang, K.K. (Cheju National University, Jeju, Republic of Korea) | Lim, Y.K. (Cheju National University, Jeju, Republic of Korea), E-mail: yklim@cheju.ac.kr
In this report, we described a case of acute colic with uterine rupture in a Thoroughbred broodmare during parturition. A 14-year-old broodmare showed acute colic characterized by rolling just after delivering of a healthy foal. Large intestine was prolapsed through vulva, contaminated with soil and its serosa was heavily damaged. We performed a euthanasia according to the owner's request. Post mortem examination revealed about 15 cm rupture on ventral side of the uterus. In addition, the orphan foal follow his owner after necropsy on his dam.
Show more [+] Less [-]The anti-tumor effect of combined treatment with arsenic trioxide and interferone-α on transplanted murine Lewis lung carcinoma
2005
Seo, D.L. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, J.H. (Konkuk University, Seoul, Republic of Korea) | Yang, J.H. (Gyeongsang National University, Jinju, Republic of Korea) | Won, C.K. (Gyeongsang National University, Jinju, Republic of Korea) | Kim, M.O. (Gyeongsang National University, Jinju, Republic of Korea) | Kwark, S.D. (Gyeongsang National University, Jinju, Republic of Korea) | Koh, P.O. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: pokoh@gsnu.ac.kr
In the present study, we expected the anti-tumor effect by combined treatment of arsenic trioxide and interferon (IFN)-α on murine Lewis lung carcinoma (LL2) cells through in vivo study. As a experimental model, LL2 cells (1×10∨6/mouse) were injected subcutaneously into the back region of mice. When the tumor volume reached 100 ㎣, mice were treated with 1 mg/kg arsenic trioxide, 50000 IU IFN-α, or arsenic trioxide and IFN-α. The development of tumor cells was significantly inhibited by combined treatment with arsenic trioxide and IFN-α. In arsenic trioxide and IFN-α treated group, apoptotic index was reached a peak valve at 48 hr after the treatment and it was restored to approximately the control level at 8 days.
Show more [+] Less [-]Identification of Hanwoo and Holstein meat using MGB probe based real-time PCR associated with single nucleotide polymorphism (SNP) in Melanocortin 1 receptor (MC1R) gene
2005
Park, S.D. (Chonnam National University, Gwangju, Republic of Korea) | Kim, T.J. (Chonnam National University, Gwangju, Republic of Korea) | Lee, J.I. (Chonnam National University, Gwangju, Republic of Korea), E-mail: jaeil@chonnam.ac.kr
The melanocortin 1 receptor (MC1R) plays an important role in regulation of melanin pigment synthesis within mammalian melanocytes. Mutations within the gene encoding MC1R have been shown to explain coat color variations within several mammalian species including cattle. To develope a rapid and accurate method for the identification of Hanwoo meat, we performed a single nucleotide polymorphism (SNP) analysis in Melanocortin 1 receptor (MC1R) gene using TaqMan∨® MGB probe-based real-time PCR. Two specific probes (one for Hanwoo and the other for Holstein and Black angus) were designed.
Show more [+] Less [-]Sequence analysis and expression of groE gene encoding heat shock proteins of Brucella abortus isolates
2005
Kim, T.Y. (ChoongAng Vaccine Laboratory, Daejeon, Republic of Korea) | Kim, J.Y. (Chungnam National University, Daejeon, Republic of Korea) | Chang, K.S. (University of Kentucky, Lexington, KY, USA) | Han, H.R. (Seoul National University, Seoul, Republic of Korea) | Kim, M.C. (Chungnam National University, Daejeon, Republic of Korea) | Park, C.S. (Chungnam National University, Daejeon, Republic of Korea) | Jun, M.H. (Chungnam National University, Daejeon, Republic of Korea), E-mail: mhjun@cnu.ac.kr
GroE that is a heat shock protein composed of GroEL and GroES is known as an immunodominant target of both the humoral and cellular immune responses in bovine brucellosis. This study was carried out to characterize groE gene encoding heat shock proteins of B. abortus isolated in Korea and to evaluate the immunogenicity of the GroE protein expressed in E. coli system. In PCR the specific signals with the size of 2,077 bp were detected in five strains isolated from the mammary lymphnodes of the dairy cattle that were serologically positive and the reference strains.
Show more [+] Less [-]Seroprevalence of Mycoplasma hyopneumoniae infection in Korean swine herds
2005
Kim, H.K. (Seoul National University, Seoul, Republic of Korea) | Lim, J.S. (Merial Korea Ltd., Seoul, Republic of Korea) | Kim, T.Y. (Seoul National University, Seoul, Republic of Korea) | Park, B.K. (Seoul National University, Seoul, Republic of Korea), E-mail: parkx026@snu.ac.kr | Lee, Y.H. (Merial Korea Ltd., Seoul, Republic of Korea)
Serum samples of 1,175 pigs from 148 Korean swine farms not using Mycoplasma hyopneumoniae (M. hyo) vaccines were collected for seroepidemiological study of M. hyo infection by indirect ELISA method. Informations of each farm were provided about province where the farm was located and season when blood samples were collected. Then, the selected farms were divided into farm units which had 5 serum samples according to production stages : sow, suckling piglet (less than 30 days old), nursery pig (30-70 days old), and growing pig (greater than 70 days old).
Show more [+] Less [-]Occurrence of Pseudomonas aerusinosa infection in the broilers in Korea
2005
Joh, S.J. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea) | Kim, M.C. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea) | Kwon, Y.K. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea), E-mail: kwonyk@nvrqs.go.kr | Kim, J.H. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea)
Pseudomonas aerusinosa infection was diagnosed in broiler chicks, and was submitted to the National Veterinary Research and Quarantine Service in Korea. The total mortality rate was about 1,500 birds out of 22,000 broilers. Clinically, affected birds showed clinical signs including depression and anorexia with lameness and trembling of the leg. At necropsy, the dead broilers appeared to have omphalitis, yolk sac infection, fibrinous epicarditis, and fibrinous exudates in liver with swollen hock joint. Microscopically, there were multiple necrotic foci in the liver, fibrinous exudates in the heart, and infiltration of heterophils into the joint spaces of the hock joint.
Show more [+] Less [-]Antibiotic resistance pattern of E. coli and Salmonella spp. isolated from chicken feces
2005
Lee, Y.J. (Kyungpook National University, Daegu, Republic of Korea), E-mail: youngju@mail.knu.ac.kr | Kim, A.R. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea) | Jung, S.C. (Kyungpook National University, Daegu, Republic of Korea) | Song, S.W. (Kyungpook National University, Daegu, Republic of Korea) | Kim, J.H. (Kyungpook National University, Daegu, Republic of Korea)
The purpose of this study was to investigate the antibiotic resistance pattern of E. coli and Salmonella spp. isolated from chicken feces. One hundred and forty-seven E. coli isolates showed resistance to tetracycline (95.2%), erythromycin (89.2%), ampicillin (70.1%), streptomycin (59.2%), cephalothin (56.5%), sulfamethoxazole/trimethoprim (53.7%), ciprofloxacin (57.1%), enrofloxacin (59.2%) and norfloxacin (57.1%). The multiple resistance was seen in 144 isolates (97.9%) and the rate of five, six and seven drugs resistance pattern were 20.4%, 18.4% and 16.3%, respectively. Also, the multiple resistance of E. coli to twelve drugs were seen in 1 isolates (0.7%).
Show more [+] Less [-]Systemic Aspergillosis associated with bovine viral diarrhea virus infection in Korean native calves
2005
Jean, Y.H. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea), E-mail: jean@nvrqs.go.kr | Kim, J.H. (Cheju National University, Jeju, Republic of Korea) | Kim, D.Y. (Seoul National University, Seoul, Republic of Korea) | Jeong, S.W. (Konkuk University, Seoul, Republic of Korea) | Cho, D.Y. (Louisiana State University, Baton Rouge, LA, USA) | Moon, O.K. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)
Systemic aspergillosis were outbroken of 17 Korean native calves at livestock farm in Kyunggi province. Two 3 months old calves were died after having diarrhea, coughing, dyspnea, nasal discharge, and abdominal breathing. These calves were diagnosed of aspergillosis as multifocal to coalescing pyogranulomatous inflammation with intralesional aspergillus infiltration at liver, kidney, spleen, heart, lymph nodes, lungs, intestine and cerebrum. Aspergillus fumigatus was cultured from the affected tissues. And the small intestine was positive against bovine viral diarrhea (BVD) virus on FA test. We considered that the secondary fungal infections killed the calves after BVD virus infection primarily.
Show more [+] Less [-]Septicemic colibacillosis accompanied by white-spotted kidney in a calf
2005
Yoon, S.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea), E-mail: yoonss24@hotmail.com | Han, H.R. (Seoul National University, Seoul, Republic of Korea) | Bae, Y.C. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Lee, H.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Yang, D.K. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Kwon, Y.K. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)
We report septicemic colibacillosis accompanied by white-spotted kidney in a 30-day old female Holstein-Friesian dairy calf. Grossly, there were numerous white spots sized average 0.5cm in diameter in both kidneys. When sectioned sagittally, there were radially oriented gray streaks extending outward and reaching the renal cortex. The renal papillae were ulcerated, white to gray in color and very friable. Histologically, there was extensive purulent inflammation characterized by severe neutrophilic cellular infiltrations in the tubular lumens and interstitia. In addition, massive coagulative necrosis were found in the apices of papillae.
Show more [+] Less [-]A case of sex determination by amplification of SRY and Amelogenin gene in horse
2005
Cho, G.J. (Korea Racing Association, Gwachon, Republic of Korea), E-mail: chogj@kra.co.kr | Lee, S.Y. (Korea Racing Association, Gwachon, Republic of Korea) | Yang, Y.J. (Korea Racing Association, Gwachon, Republic of Korea)
The objective of present study was to ascertain sex determination for individual identification, parentage control, and sex chromosome anomalies in horse. PCR amplification products of the equine sex determining region of the Y chromosome gene (SRY) and amelogenin gene (AMEL) were detected by using agarose gel electrophoresis. A normal sire and foal Ⅱ showed 1 SRY band (430 bp) and 3 AMEL (AMELX, AMELY, and AMELX/Y) band, 175 bp, 160 bp, 190 bp, respectively, and a normal dam and foal Ⅰ showed a single AMELX band (175 bp). These results enables a quick diagnosis for sex determination prior to cytogenetic analysis.
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