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Effects of bovine amniotic membrane graft on healing of full-thickness skin wound in dogs
1999
Hwang, K.T. | Kweon, O.K. | Woo, H.M. | Kim, D.Y. | Nam, T.C. (Seoul National University, Suwon (Korea Republic). College of Veterinary Medicine)
The purpose of the present study was to investigate the effect of bovine amniotic membrane grafts on healing of full-thickness skin wound in dogs. Two 3cm*3cm area-matched full-thickness skin wounds were induced bilaterally on the dorsolateral aspect of the trunk of 15 dogs Chlorhexidine-treated amnion, dried amnion, silver sulfadiazine and 0.9% sterile saline solution were applied on the wound area and examined grossly and histopathologically. Begining 14 days after wounding, amnion applied group had appreciably less amount of inflammatory exudate and hemorrhage than sulfadiazine and saline treated groups. From 14 days after wounding, the degree of wound contraction in amnion groups, especially in the dried amnion group was greater than that of the sulfadiazine and saline treated groups. The percentages of wounds completely healed on 28 days after wounding in saline treated group, chlorhexidine-treated amnion group, dried amnion group and sulfadiazine treated group were 33%, 50%, 83% and 50%, respectively. Microscopically neovascularization and fibrosis were first noticed on 5 days after wounding in the dried amnion group and sulfadiazie treated group, on 7 days in the chlorhexidine-treated amnion group and on 14 days in the saline treated group. Epithlialization in thedried amion and sulfadizine treated groups ws first noticed on 9 days after wounding, which was faster than that in the other groups. The present study suggests that bovine amniotic membrane, especially dried bovine amnion is effective on healing of full-thickness skin wound in dogs through both wound contraction and epithelialization.
Show more [+] Less [-]Effects of Isoprothiolane administration on fat necrosis of Hanwoo(Korea Cattle) sire
1999
Lee, S.S. | Lim, Y.S. | Jeong, J. | Jang, Y.H. | Park, J.K. | Park, N.H. | Won, Y.S. (National Livestock Cooperatives Federation, Seosan (Korea Republic). Hanwoo Improvement Center) | Kim, S.K. (Chungnam National University, Taejon (Korea Republic). Department of Veterinary Medicine)
The effect of isoprothiolane(di-isopropyl-1,3-dithiolan-2-ylidenemalonate) aganist fat necrosis in Hanwoo(Korean Cattle) sire was evaluated. The 10 heads of Hanwoo sire suffering from fat necrosis were given 50mg/kg body weight of isoprothiolane(0.2g/kg of Fujix, Japan) orally once a day for 8weeks. In 30% of these, the size of thenecrotic fat masses had decreased significantly 7 months after the adminstration. Isoprothiolane did not affect on live body weight and semen characteristics. However the sire affected with fat necrosis had higher MCHC(Mean corpuscular hemoglobin concentration) than normal sire inhematologic values 10 weeks after administration. Number of RBC(red blood cell) and PCV(packed cell volume) 10 weeks after administration had been increased than those before administration(p0.05). The serum concentrations of creatinine, triglyceride, and total cholesterol 10 weeks after administration were higher than those before administration while the concentration of glucose was vice versa. the isoprothiolane may reduce the oxidation of glucose, increase the glucose transfer to lipids, and increase blood supply to necrotic masses. These results indicate that isoprothiolane may be useful as the therapeutic agent against fat necrosis.
Show more [+] Less [-]Analysis of genetic diversity for cattle parentage testing using microsatellite markers
Cho, G.J.;Yang, Y.J.(Korea Racing Association, Gwachon, Republic of Korea)E-mail:chogj@kra.co.kr | Lee, K.W.(Miryang National University, Miryang, Republic of Korea)
The objective of present study was to ascertain genetic diversity for cattle parentage testing. A total of 59 random cattle samples(29 Korean native cattle and 30 dairy cows) were genotyped by using 11 microsatellite loci(BM1824, BM2113, ETH10, ETH225, EH3, INRA23, SPS115, TGLA122, TGLA227, TGLA53, and TGLA126). This method consisted of multiplexing PCR procedure and showed reasonable amplification of all PCR products. Genotyping was performed with an ABI 310 genetic analyzer.
Show more [+] Less [-]Prevalence of bacterial respiratory diseases in cattle
Jung, B.Y.;Jeon, Y.S.(National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)E-mail:jungby@nvrqs.go.kr
The objective of this study was to determine the prevalence of pneumonic bacteria in lungs and nasal swabs of cattle with respiratory diseases. From 95 pneumonic lungs of slaughtered cattle, 41 (43.2%) positive lungs were yielded with 54 pneumonic bacteria, which corresponded to P. multocida (n = 34), A. pyogenes (n = 14) and P. haemolytica (n = 6). One-hundred sixty seven pneumonic bacteria were isolated from 195 nasal swabs in calves, 64.7% (108 isolates) belonged to P. multocida, 16.2% to A. pyogenes, 13.8% to P. haemolytica and 5.4% to H. somnus.
Show more [+] Less [-]Induction of twinning in Korean native cattle by transfer of nuclear transplanted embryos 1. Embryo cloning using ovum pick-up (OPU), electric cell fusion and in vitro culture system
1998
Hwang, W.S. | Roh, S.H. | Lee, B.C. (Seoul National University, Suwon (Korea Republic). College of Veterinary Medicine) | Shin, T.Y. (National Veterinary Research Institute, Anyang (Korea Republic))
Serologic and electropherotypic characterization of the bovine rotaviruses isolated in Korea
1998
Chung, C.W. | Chang, C.H. | Cho, J.C. | An, S.H. (National Veterinary Research Institute, RDA, Anyang (Korea Republic)) | Kang, S.Y. (Chungbuk National University, Chongju (Korea Republic). College of Veterinary Medicine) | Park, B.K. (Seoul National University, Suwon (Korea Republic). College of Veterinary Medicine)
Congenital transmission of Teileria sergenti in cattle verified by immunohistochemistry
1997
Baek, B.K. | Kim, J.H. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine) | Onuma, M. (Hokkaido University, Sapporo (Japan). Faculty of Veterinary Medicine)
Morphological studies on the development of the tracheal cartilage in the Korean native cattle fetus
1997
Lee, Y.H. | Kim, I.S. | Yang, H.H. | Park, Y.K. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine)
The histological studies on the development of cartilage canal in calcaneus of the Korean native cattle fetus
1997
Ahn, D.C. | Kim, I.S. | Lee, Y.H. | Park, Y.S. | Yang, H.H. | Paik, Y.K. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine) | Lee, C.O. (National Veterinary Research Institute, Anyang (Korea Republic))
A survey of paratuberculosis by immunological methods in dairy and Korean native cattle
1994
Kim, J.M. | Ahn, J.S. | Woo, S.R. | Jo, D.H. | Jo, Y.S. | Park, J.M. | Yoon, Y.D. (Rural Development Administration, Anyang (Korea Republic). Veterinary Research Institute) | Chang, G.H. (Kangwon Veterinary Service Laboratory, Chunchon (Korea Republic). Chungbu Branch)