خيارات البحث
النتائج 111 - 120 من 237
The assessment of anesthetic depth by quantitative electroencephalography in intravenous anesthesia by intermittent bolus injection
2005
Lee, S.H. (Konkuk University, Seoul, Republic of Korea) | Bae, C.S. (Chonnam National University, Gwangju, Republic of Korea) | Noh, G.J. (University of Ulsan College of Medicine, Seoul, Republic of Korea) | Kim, J.Y. (Konkuk University, Seoul, Republic of Korea) | Chung, B.H. (Konkuk University, Seoul, Republic of Korea), E-mail: chungbh@konkuk.ac.kr | Bae, K.S. (University of Ulsan College of Medicine, Seoul, Republic of Korea)
To assess anesthetic depth using quantitative electroencephalography (q-EEG), we recorded processed EEG (raw EEG) till 100 minutes in beagle dogs anesthetized for 60 minutes with tiletamine/zolazepam (n=5, TZ group), xylazine/ketamine (n=5, XK group) and propofol (n=5, PI group) by intermittent bolus injection. Raw EEG was converted into 95% spectral edge frequency (SEF) and median frequency (MF) through fast fourier transformation (FFT) method. 95% SEF value of TZ group was significantly higher (p less than 0.05) than the XK group from 10 minutes to 100 minutes. 95% SEF value of PI group was significantly higher (p less than 0.05) than the XK group from 10 minutes to 40 minutes, and significantly low (p less than 0.05) than XK group at 90 and 100 minutes.
اظهر المزيد [+] اقل [-]A quantitative modeling approach to estimate the risks posed by the smuggled animal products contaminated with Foot-and-Mouth Disease (FMD) virus
2005
Hong, K.O. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea) | Pak, S.I. (Kangwon National University, Chunchon, Republic of Korea), E-mail: paksi@kangwon.ac.kr | Lee, G.H. (National Veterinary Research and Quarantine Service, MAF, Anyang, Republic of Korea)
A quantitative risk assessment tool was used to provide estimates of the probability that footand-mouth (FMD) virus-contaminated, smuggled animal products are fed to susceptible swine in Korea. Sensitivity analyses were conducted to attempt to distinguish between parameter uncertainty and variability, using different assumptions on the effect of cooking at home, the effect of the fresh meat, and the effect of heat treatment at garbage processing facility. The median risk estimate was about 20.1% with a mean value of 27.4%. In a scenario regarding all beef and pork were considered as fresh meat the estimated median risk was 3.4%.
اظهر المزيد [+] اقل [-]Peripheral lymphocyte counts in Holstein-Friesian cattle infected with bovine leukemia virus in Korea
2005
Suh, G.H. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea), E-mail: ghsuh@rda.go.kr | Lee, C.G. (Chonnam National University, Gwangju, Republic of Korea) | Lee, J.C. (Seojeong College, Yangju, Republic of Korea) | Hur, T.Y. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Kang, S.J. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Son, D.S. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Ahn, B.S. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Kim, N.C. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Lee, C.Y. (Chonnam National University, Gwangju, Republic of Korea)
Hematologic investigations were made on the blood samples taken from bovine leukemia virus (BLV)-seropositive Holstein-Friesian cattle in Korea, and their absolute lymphocyte count was compared with that of BLV-seronegative cattle. The incidence of persistent lymphocytosis (PL) was also determined. The normal bovine lymphocyte count was established on the basis of studies of 656 blood samples taken three times from 297 seronegative animals aged from 0~6 months to over 5 years at 5~6-month intervals. The data were examined according to 7 age groups of samples placed into their respective age groups.
اظهر المزيد [+] اقل [-]Hepatotoxicity in treatment of canine dermatophytosis with ketoconazole
2005
Bae, S.S. (Gyeongsang National University, Jinju, Republic of Korea) | Kim, C.H. (Gyeongsangnam-do Livestock Promotion Institute, Jinju, Republic of Korea) | Kim, T.Y. (Ministry of Agriculture and Forestry, Kwacheon, Republic of Korea) | Kang, C.B. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: cbkang@gsnu.ac.kr
The purpose of this study is to compare hepatotoxicity of each treatment for dermatophytosis; one is the administration of the ketoconazole only and the other, ketoconazole with diphenyl-dimeththyl-dicarboxylate. Have chosen the range of 14-24 months of healthy dogs divided by two groups (group 1 and group 2) for the experiment of which test proved positive in dermatophytosis diagnosis and showed normal reaction in terms of physical examination, blood chemistry and especially of liver function. Group 1 was administrated ketoconazole orally at 10 mg/kg/day and of same dose of ketoconazole with diphenyl-dimethyl-dicarboxylate for group 2.
اظهر المزيد [+] اقل [-]Effects of bone healing capacity by autologous fibrin glue in experimental bone defect dogs
2005
Lee, J.I. (Chonbuk National University, Jeonju, Republic of Korea) | Song, H.N. (Chonbuk National University, Jeonju, Republic of Korea) | Kim, N.S. (Chonbuk National University, Jeonju, Republic of Korea), E-mail: namsoo@chonbuk.ac.kr
This study was investigated of the bone healing capacity by autologous fibrin glue in experimental bone defect dogs. The autologous fibrin glue manufactured just before the experiment was mixed with the concentrated fibrinogen from whole blood of the experimental dog and bovine thrombin. The experimental group was constituted with seven dogs. The experimental osteotomy was performed 5 mm length in bilateral region of proximal diaphyseal fibulae. The defected regions of experimental group were filled with the autologous fibrin glue by duploject. The experimental regions had been radiographed biweekly for 16 weeks to observe new bone formation and union.
اظهر المزيد [+] اقل [-]Examinations on sedation, anaesthetic and toxic effect of Isoeugenol for olive-flounder (Paralichthys olivaceus)
2005
Shin, G.W. (Gyeongsang National University, Jinju, Republic of Korea) | Oh, M.J. (Yosu Naitonal University, Yosu, Republic of Korea) | Joh, S.J. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Shin, Y.S. (Gyeongsang National University, Jinju, Republic of Korea) | Kim, Y.R. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, E.Y. (Gyeongsang National University, Jinju, Republic of Korea) | Yang, H.H. (Gyeongsang National University, Jinju, Republic of Korea) | Palaksha, K.J. (Gyeongsang National University, Jinju, Republic of Korea) | Huh, N.E. (Gyeongsang National University, Jinju, Republic of Korea) | Yeon, S.C. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, H.C. (Gyeongsang National University, Jinju, Republic of Korea) | Jung, T.S. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: jungts@gsnu.ac.kr | Kang, S.W. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)
Olive flounder (Paralichthys olivaceus) is the major mariculture fish in Korea. The annual aquaculture production of olive flounder in Korea during the period of 2003 was 300,000 ton (2002 Statistics, Ministry of Maritime Affairs and Fisheries, Korea Government). Anesthetics is very necessary in aquaculture to minimize stress and damage during harvesting, grading, transportation, spawning induction and handling to fish. In the present study, isoeugenol as new anesthetic in marine fish, especially olive flounder, was examined to know the efficacy and proper concentration. As a result, olive flounder adult was exhibited sedation at 5 ppm at 10 and 15℃, and 7.5 ppm at 20℃, respectively.
اظهر المزيد [+] اقل [-]Studies on the postnatal development of the Leydig cell in rabbits
2005
Tae, H.J. (Chonbuk National University, Jeonju, Republic of Korea) | Ahn, D.C. (Kangwon National University, Chuncheon, Republic of Korea) | Park, Y.J. (Chonbuk National University, Jeonju, Republic of Korea) | Kang, H.S. (Chonbuk National University, Jeonju, Republic of Korea) | Kim, N.S. (Chonbuk National University, Jeonju, Republic of Korea) | Park, S.Y. (Chonbuk National University, Jeonju, Republic of Korea) | Yang, H.H. (Chonbuk National University, Jeonju, Republic of Korea) | Kim, I.S. (Chonbuk National University, Jeonju, Republic of Korea), E-mail: iskim@chonbuk.ac.kr
Changes in the rabbit Leydig cell from birth to adulthood were studied in New Zealand white rabbits of 1, 7, 21, 35, 49, 70, 105, 147, 196, and 252 days (n = 8 rabbits per group) of age. The objectives of this study were to understand the fate of the fetal Leydig cells, to determine the changes in serum testosterone levels, and leutenizing hormone-stimulated testosterone production per testis in vitro, and to quantify adult Leydig cells by number and average volume with age. Testes of rabbits were fixed by whole body perfusion using a fixative containing 2.5% glutaraldehyde in cacodylate buffer, processed and embedded in Epon-araldite.
اظهر المزيد [+] اقل [-]Antioxidative effects of traditional medicinal plants on lipid peroxidation
2005
Hah, D.S. (Gyeongnam Provincial Government Institute of Health and Environment, Changwon, Republic of Korea) | Kim, C.H. (Jinju National University, Jinju, Republic of Korea) | Kim, G.S. (Gyeongsang National University, Jinju, Republic of Korea) | Kim, E.G. (Gyeongsang National University, Jinju, Republic of Korea) | Kim, J.S. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: jskim@gsnu.ac.kr
To assess the antioxidative activity of 12 medicinal plants on lipid peroxidation, twelves traditional medicinal plants extracted with 95% methanol were investigated the antioxidative activity using DPPH, thiocyanate acid method, and thiobarbituric acid (TBA) methods. Out of 12 medicinal plants extracted with methanol, the extraction yields of Sedum kamtschaticum was the highest values (49.46%) among them and Geranicum sibiricum, Saururus chinensis root (R), Agrimonia pilosa leaf (L), Agrimonia pilosa root was the lowest value (9.97%). Radical scavenging effect of the selected traditional medicinal plants extracted from different extract solution were examined by 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical method.
اظهر المزيد [+] اقل [-]Rapid differentiation of Hanwoo and Holstein meat using multiplex allele specific polymerase chain reaction protocols
2005
Koh, B.R.D. (Gwangju Metropolitan Health and Environment Research Institute, Gwangju, Republic of Korea), E-mail: barada@nvrqs.go.kr
Here I describe a multiplex allele specific PCR-based approach for the rapid detection between Hanwoo and Holstein meat associated with Melanocortin 1 receptor (MC1R) gene. Specific and universal oligonucleotide primers were used in combination to detect the presence of a single nucleotide polymorphism within the bovine MC1R DNA sequence. The presence of the bovine MC1R gene is indicated by the production of a single control PCR product, whilst positive samples generate an alternative smaller specific product over the same region. The mutations in MC1R104 codon revealed depending on the presence or absence of an indicative fragment amplified from the wild-type allele of this codon.
اظهر المزيد [+] اقل [-]Histopathological classification of the bovine lymphoma caused by bovine leukemia virus in Korea
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) | Lee, K.H. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Bae, Y.C. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Jean, Y.H. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Kang, M.I. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Lee, O.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)
Several studies have been performed on the bovine leukemia since bovine leukemia virus (BLV) had been detected in 1982 in Korea. We have conducted histopathological study on the bovine lymphoma caused by BLV because only limited results were reported on the pathological characterization of lymphoma. Lymphoma tissues were obtained from cattle necropsied and slaughtered during a designated period. Lymphoma was classified histopathologically according to the National Cancer Institute Working Formulation. Leukotic tissues consisted of fairly uniform sheets of closely packed medium to large lymphocytes without any architectural arrangement in all 30 cases.
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