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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.
اظهر المزيد [+] اقل [-]Conjoined Twins in Holstein Calf: a Case of Thoracopagus Siamese Calf
2006
Hur, T.Y. (Rural Development Administration, Suwon, Republic of Korea) | Kang, S.J. (Rural Development Administration, Suwon, Republic of Korea) | Choe, C.Y. (Rural Development Administration, Suwon, Republic of Korea) | Jung, Y.H. (Rural Development Administration, Suwon, Republic of Korea) | Cho, Y.I. (Rural Development Administration, Suwon, Republic of Korea) | Son, D.S. (Rural Development Administration, Suwon, Republic of Korea) | Ryu, I.S. (Rural Development Administration, Suwon, Republic of Korea) | Kim, H.S. (Rural Development Administration, Suwon, Republic of Korea) | Suh, G.H. (Rural Development Administration, Suwon, Republic of Korea), E-mail: ghsuh@rda.go.kr
This case was found in Holstein cow suffering from dystocia. The twin calves in uterus were dead and removed by fetotomy. Gross anatomical analysis of thoracopagus siamese calf was carried out. Two normal heads were present on two necks, however, the twins were fused in the thoracic region. There were four forelimbs and an abnormal orientation of ribs. Two separate vertebral columns along the length of the animal ended with two tails. A single pericardium lay on the midline when opening the thorax.
اظهر المزيد [+] اقل [-]Identification and Characterization of Shiga Toxin-Producing Escherichia Coli Isolated from Diarrhea in Calves
2006
Lim, K.G. (Chonnam National University, Gwangju, Republic of Korea) | Kang, M.I. (Chonnam National University, Gwangju, Republic of Korea) | Kim, S.K. (Chonnam National University, Gwangju, Republic of Korea) | Nam, K.W. (Chonnam National University, Gwangju, Republic of Korea) | Park, H.J. (Chonnam National University, Gwangju, Republic of Korea) | Park, J.R. (Chonnam National University, Gwangju, Republic of Korea) | Cho, K.O. (Chonnam National University, Gwangju, Republic of Korea) | Lee, B.J. (Chonnam National University, Gwangju, Republic of Korea), E-mail: bjlee@chonnam.ac.kr
Shiga toxin (stx) producing Escherichia coli (STEC) causes various clinical signs in animal and himan. In this study, 255 fecal samples from samples from calves showing diarrhea were collected from cattle farms in Chonnam province during the period from January 2005 to July 2005. Twenty six STEC (10%) were isolated from 255 fecal samples by PCR. The isolates displayed three different stx combinations (stx1[69%], stx1 and stx2 [15%], and stx2 [38%]). The isolates were further studied for virulence associated genes and antimicrobial resistance to define the virulence properties.
اظهر المزيد [+] اقل [-]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.
اظهر المزيد [+] اقل [-]The effect of calcium administration on the blood coagulation mechanism during heparin infusion
Kim, I.R.;Yun, Y.M.;Lee, K.K.(Cheju National University, Jeju, Republic of Korea)E-mail:leekk@cheju.ac.kr | Kim, G.H.(National University of Singapore, Singapore) | Kim, B.S.(Korea Racing Association, Gwachon, Republic of Korea)
This study was performed to investigate the effects of calcium administration on the blood coagulation mechanism through APTT in the calf. Five male calves (70~90 kg) were used in this experiment. In the control group, heparinized normal saline (1 IU/kg/min) had been infusing into the jugular vein for 100 minutes. For the analysis of calcium effects on the APTT, the same solutions had been infusing during the first 40 minutes, subsequently the solution including calcium gluconate (3.3 mg/ml/min) had been infusing for 60 minutes.
اظهر المزيد [+] اقل [-]Studies on the electrophoretic analysis of serum protein in Korean native calves
1997
Kim, H.S. | Lee, J.M. | Kwon, O.D. | Park, J.H. | Park, S.Y. | Lee, S.O. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine)
Study on infection of Theileria sergenti in neonatal calves
1993
Baek, B.K. | Rim, B.M. | Lee, W.J. | Kim, J.H. | Kim, B.S. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine) | Son, D.S. | Lee, K.W. (National Animal Breeding Institute, Anyang (Korea Republic). Breeding Stock Health Division)
Studies on enzootic bovine leukosis - (2) - Survey for antibodies to bovine leukemia virus in the Holstein calves in a dairy farm
1990
Kim, C.J. | Son, J.Y. | Ko, K.W. (Yeungnam University, Kyeongsan (Korea Republic). Department of Animal Science)
A quantitative study of the transfer of colostral immunoglobulins to the newborn Korean native calf
1989
Kim, D. | Han, H.R. (Seoul National Univ., Suwon (Korea R.). Coll. of Veterinary Medicine)
The levels of the serum and colostral total protein and immunoglobulins of the Korean native cows immediately after parturition and colostrum-conferred passive immune status of the Korean native calves were studied, and the results obtained were summarized as follows: The mean total protein, total immunoglobulin, IgG, IgM, and IgA concentrations in sera of 10 Korean native cows immediately after parturition were 6.8 +- 0.4g/dl, 24.39 +- 3.41mg/ml, 19.49 +- 2.70 mg/ml, 4.56 +- 1.14mg/ml, and 0.35 +-0.08 mg/ml respectively. And the mean total protein, total immunoglobulin, IgG, IgM, and IgA concentrations in colostrum were 15.0 +- 1.1 g/dl, 116.13 +- 23.07mg/ml, 101.51 +- 22.59mg/ml, 9.46 +- 1.99mg/ml, and 5.17 +- 1.59mg/ml respectively. The mean concentrations of total protein and immunoglobulins in colostrum were 2.1 times to 14.8 times higher than those in serum. The mean concentrations of total protein, total immunoglobulins in colostrum were 2.1 times to 14.8 times higher than those in serum. The mean concentrations of total protein, total immunoglobulin, IgG, IgM and IgA in sera from 211 Korean native calves at 2 days old were 6.7 +- 0.9g/dl, 35.74 +- 9.56mg/ml, 29.06 +-8.07mg/ml, 4.91+-2.99mg/ml, and 1.9 +- 0.99mg.ml respectively. Although the calves had been suckled the dam's colostrum, each of calves was considerably various in levels of serum total protein and immunoglobulins and 16.1 percent of the calves were in a state of hypoglobulinemia
اظهر المزيد [+] اقل [-]Studies on development of Escherichia coli subunit vaccine against calf diarrhea, 2; immunogenicity and protective efficacy of Escherichia coli K99 and F41 pilus vaccines in experimental animals
1986
Kim, J.M. | Yoon, Y.D. | Park, J.M. (Rural Development Administration, Anyang (Korea R.). Veterinary Research Inst.) | Kim, B.H. (Kyongbuk National Univ., Taegu (Korea R.). Dept. of Veterinary Medicine)
The oil emulsion and alhydrogel pilli vaccines were prepared from a strain (O9: K35, K99, F41) of enterotoxigenic Escherichia coli isolated from calves with diarrhea and their immunogenicity was tested in guinea-pigs, pregnant goats and cows. Serum antibody responses to K99 and F41 antigens in guinea-pigs given experimental oil and gel vaccines peaked at 4 and 6 weeks after vaccinations. At that time, the mean hemagglutination inhibition titers to K99 and F41 antigens in guinea pigs given oil vaccine were 1:25 and 1:1,218 and those given gel vaccine were 1:54 and 1:724 respectively
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