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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Korean Journal of Veterinary Service
Journal Basic Information
Journal DOI :
The Korean Society of Veterinary Service
Editor in Chief :
Min-Hee Cho / Hee-Joung Song
Volume & Issues
Volume 22, Issue 4 - Dec 1999
Volume 22, Issue 3 - Oct 1999
Volume 22, Issue 2 - May 1999
Volume 22, Issue 1 - Apr 1999
Selecting the target year
A study on the isolation of Salmonella spp from Patients with diarrhea in Inchon(1992~1997)
Korean Journal of Veterinary Service, volume 22, issue 3, 1999, Pages 213~220
In order to investigate the prevalence of Salmonella spp. from 1992 to 1997 in Inchon, 173 strains of Salmonella spp. were isolated from patients with diarrhea and analyzed them epidemiologically. The results obtained were as follows; 1. The yearly isolation rates were 34.68% (60 strains) in 1996, 20.80%(36 strains) in 1994, 18.50%(32strains) in 1997, 10.40%(18 strains) in 1992 and 9.83%(17 strains) in 1995 and 5.78%(10 strains) in 1993, in order. 2. The isolation rates based on specimen were 84.97%(147 strains) from feces, 14.45%(25 strains) from blood and 0.58%(1 strain) from pus. 3. The highest isolation rate based on age group was at twenties(25.43%) and four-ties(19.65%), fifties(19.08%), teens(15.03%) and thirties(10.98%), in order. 4. Based on the regional distribution, Nam-gu showed the highest isolation rate (20.80%) and followed by Namdong-gu(20.23%), Dong-gu(19.65%) and Yeansu-gu(0.58%), in order 5. Seasonally, the highest isolation rate was from May to September during the investigation. 6. The isolation rate in male(58.96%) was higher than that in female(41.04%).
Isolation of Salmonella from the layer chickens reacting in pullorum-typhoid agglutination test
Korean Journal of Veterinary Service, volume 22, issue 3, 1999, Pages 221~237
To investigate the specificity of rapid slide agglutination test for pullorum-gallinarum diseases and to obtain a basic data for avian salmonellosis control, salmonella isolation was peformed for the layer chickens positively reacted in pullonlm-typhoid agglutination test. The biochemical, serological and antimicrobial properties of the isolates were examined. The results obtained through this study were summarized as follows; 1. Of 2,384 chickens tested by the agglutination test, 606 chickens (25.4%) were positive reactors. 154 of 606 reactors and 49 of the non-reacting chickens were investigated for salmonella isolation, resulting in isolation of 68 strains of salmonellae from 27 chickens. 2. By organs, the isolation frequency from liver, cecum, spleen, ovary and gall bladder showed 8.9% (18 strains), 8.9% (18 strains), 7.4% (15 strains), 4.4% (9 strains) and 3.9% (8 strains), respectively. 3. By culture medium the combination of selenite broth and MacConkey agar revealed the highest isolation rate and the enrichment culture by delayed secondary enrichment culture method was found the most effective for salmonella isolation. 4. The serotypes of 68 salmonella isolates were identified as 3 strains of S pullorum, 24 strains of S gallinarum, 15 strains of S typhimurium, 8 strains of S enteritidis, 7 strains of S paratyphi A, 5 strains of S typhimurium and 6 strains of the other salmonellae. 5. The serotypes of 8 salmonella strains isolated from 49 chickens non-reacting in pullorum-typhoid agglutination test were identified as 3 strains of S typhimurium and 5 strains of S infantis. 6. When 24 chickens of which 68 strains of salmonellae isolated were examined by microplate agglutination test, the average antibody titer for pullorum antigen was
. The chickens at antibody titer between
showed the higher frequency of isolation as compared with the chickens at the other titers. 7. When salmonella isolates were tested the antimicrobial drug sensitivity by disk diffusion method, S paratyphi A were highly sensitive by 100% to ATM and GM, S typhimurium, by 88% to AM, CIP, IMP and TN, S infantis, by 100% to AM, CRO, ENR and PIP, S enteritidis,by 100% to IMP and PIP, S pullorum, by 100% to ATM, CRO, ENR and PIP and S gallinarum, by 92% to CRO, CIP and PIP.
Detection of bovine coronavirus in fecal samples by reverse transcriptase polymerase chain reaction
Korean Journal of Veterinary Service, volume 22, issue 3, 1999, Pages 239~245
The reverse transcriptase polymerase chain reaction (RT-PCR) was used for the detection of bovine coronavirus (BCV) in fecal samples by using reverse transcriptase and two primers which flanked M gene sequence of 407bp. RT-PCR detected bovine coronavirus specifically, but did not detect mouse hepatitis virus (MHV), transmissible gastroenteritis virus (TGEV), and bovine rotavirus (BRV). The M gene sequences of MHV are homologus to that of BCV, but minor differences exist in the primer regions, preventing annealing of the primers. Detection of BCV using RT-PCR was compared with ELISA and the agreement of BCV detection by RT-PCR and ELISA was 95.3%. RNA detection in positive clinical specimens was significantly better by PCR than immunological detection of BCV by ELISA.
Histopathological changes in lymphoid organs of chickens inoculated with IBDV (SBV92)
Korean Journal of Veterinary Service, volume 22, issue 3, 1999, Pages 247~255
Sequential morphologic changes in the lymphoid organs were examined after ocular and cloacal inoculation in 3weekold chicks with a highly virulent strain (SH/92) of infectious bursal disease virus (IBDV). The infected chickens were sacrificed at 6, 12, 24, 48, 72, and 96 hrs post inoculation (Pl), and thymus, harderian gland, ceacal tonsil, and spleen were observed. Histologically, the significant lesions were characterized by lymphocyte depletion and the earliest detectable changes were evident at 12 hrs Pl. In thymic cortex, lymphoid depletion with apoptosis and prominent "tingible body macrophages" were observed. As the infection advanced, the lesions showed more severe changes. Dying cells were characterized either by capping of nuclear chromatin (apoptosis) or by cytoplasmic swelling (necrosis). In situ staining for apoptosis, some lymphoid cells revealed typical positive reaction, even the stainability was variable depend on every lymphoid organs. These results suggest that IBBV (SH/92) cause severe damage both primary and secondary lymphoid organs, and both T and B lymphocytes. Also the lymphoid depletion of these organs is caused by necrosis and apoptosis induced by IBDV.d by IBDV.
An outbreak of Riemerella anatipestifer infection in mallard ducks
Korean Journal of Veterinary Service, volume 22, issue 3, 1999, Pages 257~262
Riemerella anatipestifer (RA) infection is a contagious disease of domestic ducks, turkey, and various other birds. In a flock of mallard ducklings, about 30% of the birds, 3 weeks old, showed lethergy, greenish diarrhea, tremor of head and neck, and died 2-3 days after signs appeared. Grossly, fibrinous exudates covered the heart and surface of the live. Microscopically, mononuclear cells and heterophils were primarily inflammatory cells in the exudate. These were also observed in the meninges in brain. Microbiologically, gram (-) short rod bipolar shaped bacteria were recovered on blood agar and agglutinated by antisera of R anatipestifer. Sulfamethoxasole/trimethoprim were administered and clinically effective. This case was a R anatipestifer infection caused fibrinous pericarditis, hepatitis and meningitis in mallards.
Effects of vitamin E oral administration on the lipid peroxidation in blood and sirloin of castrated Korean indigenous beef cattle
Korean Journal of Veterinary Service, volume 22, issue 3, 1999, Pages 263~276
This study was evaluated to know the effects of vitamin E(VE) on the lipid peroxidation in blood and sirloin of castrated korean indigenous beef cattle. Experimental groups were divided into VE 500IU(A), 1,500IU additative feeding group(B) and non-VE-treated control group(C). After oral administration to the cattle for 120 and 150 days, body weight gains, VE contents in plasma and sirloin, and thiobarbituric acid(TBA) value were examined according to the exhibition period(1-7 days) in refrigerated showcase between aging and non-aging group. The results obtained from this study were summarized as follows ; 1. Body weight gain per day of control compared with VE additative feeding A and B groups were showed no significantly differences. 2. The concentrations of VE in plasma after oral administration with VE for 120 days were significantly increased(p<0.05) in A and B groups. There were higher(p<0.n) 4.22
in A and 6.22
in B group than the control(3.0
). And the concentrations of VE in plasma for 150 days were significantly increased(p<0.05) in VE additative feeding groups. There were higher 4.89
in A and 7.05
in B group than the control(3.15
). 3. The concentrations of VE in sirloin for 120 days were significantly increased(p<0.05) in A and B groups. There were higher 1.84
/g in A group and 2.40
/g in B group than the control(0.78
/g). And the concentrations of VE in sirloin for 150 days were significantly increased(P<0.05) in A and B groups. There were higher 1.94
/g in A group and 2.63
/g in B group than the control(1.00
/g). 4. TBA values, the indicator of lipid peroxidation, in non-aging sirloin according to the exhibition period(1-7 days) in refrigerated showcase after oral administration with VE additative feed for 120 days were lower 0.73 in A and B groups than 0.82 in control at the third day after exhibition. In the same group, TBA values were significantly(p<().05) tower 0.77 and 0.75 in A and B groups than 1.22 in control at the seventh day after exhibition. Equally, in the aging group, there were significantly(p<0.05) showed lower TBA values 1.05 and 0.99 in A and B groups than 1.87 in control at the seventh day after exhibition. 5. After oral administration with VE additative feed to the cattle for 150 days, TBA values in non-aging sirloin according to the exhibition period(1-7 days) in refrigerated showcase were significantly(p<0.05) decreased to 0.84 and 0.88 in A and B groups than 1.26 in control at the seventh day after exhibition. In the aging group, there were significantly(p<0.05) showed lower TBA values 0.95 and 0.99 in A and B groups than 1.79 in control at the seventh day after exhibition.