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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 26, Issue 4 - Dec 2003
Volume 26, Issue 3 - Oct 2003
Volume 26, Issue 2 - Jun 2003
Volume 26, Issue 1 - Mar 2003
Selecting the target year
Characteristics of outbreak for the classical swine fever (CSF) at Incheon metropolitan area in 2002
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 1~9
The aim of this survey was to investigate the characteristics of outbreak farm determined as the classical swine fever(CSF) at Gangwha-gun and Seo-gu, Incheon metropolitan area from October 7 to November 25 in 2002. Sixty pigs in six different farms were confirmed to the CSF and a total of 9,106 pigs containing 3,194 related epidemiologically was slaughtered to stop spreading of the disease. Clinical signs of pigs diagnosed with the CSF were high fever, anorexia, depression, paralysis of hindlimbs, cyanosis, etc and gross lesions were typically represented with hemorrhage of submandibular and superficial lymph node, infarction of spleen, and petechial (ecchymotic) hemorrhage of kidney and skin. But some outbreak farms had not shown remarkable symptoms, so they were confused with other bacterial diseases. White blood cell (WBC) counts, the classical swine fever virus(CSFV) antigen and antibody enzyme linked immunosorbent assay(ELISA) and reverse transcriptase polymerase chain reaction (RT-PCR) results about six farms indicated that total 60 pigs were infected with the CSFV. Although the origin and infection route of the CSFV were not clear, but the transmissions between farms were mainly through indirect contact such as the movement of farm personal and vehicles from outbreak farm.
Serological survey of Japanese encephalitis virus in domestic animals
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 11~18
A total of 1,024 sera were collected from cattle(227), pigs(465), chickens(257) and dogs(75) raised or slaughtered in Daejeon metropolitan city from April to September 2002. Japanses encephalitis virus(JEV) antibodies in sera were detected by the haemagglutination inhibition test. The prevalence rates of JEV antibodies were 99.1 %, 54.0 %, 63.0 % and 98.7 % in cattle, pigs, chickens and dogs, respectively. In case of cattle and dogs, the monthly antibody-positive rates were as high as 85.7∼100.0 % and there were no differences among six months. In case of pigs, the monthly antibody-positive rate showed the lowest in April(6.4 %) and the highest in July(100.0 %) and it remained above 50 % during the summer-time. In case of chickens, the monthly antibody-positive rate was 100.0 % in July & August, 80.5 % in June, 40.0 % in May, 7.5 % in September and 5.0 % in April in order and there were distinct differences in seasons.
Prevalence of canine heartworm infection among dogs on breeding farms in Chungnam province
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 19~26
This study was attempted to survey on the prevalence of canine heartworm(Dirofilaria immitis) infection among 100 dogs(male 39, female 61) on the nine breeding farms in eastern Chungnam province in December 2002. Blood samples taken from dogs were examined for the presence of D immitis microfilaria by the modified Knott's test and an antigen test was using FASTest
/ HW Antigne kit (Mega Cor A-6912 Horbranz-Austraia). 1. Eleven(11.0%) of the 100 examined dogs were microfilaria positive, while nineteen dogs(19.0%) were antigen positive, which suggested that the antigen test was more sensitive than the microfilarial test in detecting heartworm infection. 2. Infected dogs were observed higher more at 2 years older ages(4/48, 8.3%) and male(9/39, 23.1%) than young ages(4/48, 8.3%) and female(10/61, 16.4%). 3. The regional infection rates were of Gongju(15/43, 34.9%), Geumsan(4.27, 14.8%), while none of infection dogs in Yeongi(0/30, 0%). 4. Survey for hematological values of D immitis infected dogs : WBC and eosinophils were 21.4
, respectively. In conculsion, this study could be overemphasized the importance of control program the heartworm in eastern Chungnam province
Survey of bacterial contamination of chicken meat
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 27~31
In order to monitoring the chicken meat hygiene, 165 chicken samples were tested for contamination agents such as the total bacterial counts, coliform bacterial counts and falling bacterial counts. The prevalence of level on number of standard plate count(SPC), total bacterial counts in less than 10
were 30 samples (18.2%), 98 samples(59.4%) and 37 samples(22.4%), respectively. The coliform bacterial counts in less than 10
were 7 samples(4.2%), 66 samples (40.0%), 92 samples(55.8%), respectively. The falling bacterial counts in plants were higher 9.1, in summer 8.4, in fall 7.2 in spring and 6.7 in winter decreased.
Survey on the prevalence of parasites in rabbit of Jeonbuk area
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 33~37
In order to monitor the parasites, 501 fecal samples were taken from rabbits in Jeonbuk area. The isolation and identification of the parasites were determined by the fecal examination using the flotation and microscopical examination, respectively. The detection rate of the parasites from rabbits was 51.6%. A seasonal infection rates of internal parasites was 55.6% in the Summer and 46.1% in the Winter. The infection rates of single, double and triple were 36.7%(184 heads}, 7.2%(36 heads), and 0.8%(4 heads), respectively. Parasites were identified as Eimeria spp from 196 heads, Passalurs spp from 25 heads, Strongylus spp from 16 heads, Trichostrongylus spp form 15 heads, and Grapidium spp from 7 heads, in order.
Studies on the pathogenicity of Salmonella typhimurium isolated from slaughtered pigs in Chonnam area
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 39~50
Non-typhoidal Salmonella serovars remain a potential threat to human health and many animals including beef cattle, broiler chickens, and pigs which possible sources of non-typhoidal salmonellosis in human. In this study, the cecal contents of slaughtered pigs were examined for Salmonella serovar prevalence. The characteristics of the isolates, including antimicrobial resistance patterns and virulence genes, were studied along with the reference strain S typhimurium ATCC 13311. Out of 640 sample, 137 Salmonella(21.4%) were isolated and their serovar were identified S typhimurium 83 strains(60.6%), S agona 10 strains(7.3%), S schwarzengrund 4 strains(2.9%), S derby 4 strains(2.9%), S ayinde 1 strains(0.7%), and untypable 35 strains(25.5%). All 83 S typhimurium strains(100%) were multi-drug resistance to at least 7 antibiotics, and 20 strains(24.1%) of 83 isolates were R-type ACSSuT. Examination of virulent gene by PCR revealed that 73 S typimurium field isolates(88%) have a invA gene and 24 strains(28.9%) have a spvC gene. Consequently, S typhimurium infection in slaughtered pigs was relatively to appear high prevalence in their herds which suggested that it should be necessary for herd health monitoring and surveillance.
Serological survey of avian pneumovirus infection in laying hens of Gyeongbuk province
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 51~56
Avian pneumoviros(APV), also known as avian rhinotracheitis virus(ARTV), affects both turkeys and chickens and is known to be the primary causative agent of turkey rhinotracheitis (TRT). The aim of this study was to establish the presence or absence of antibodies to avian pneumovirus in the commercial poultry population of Korea. For this purpose, chicken serum samples were obtained and tested by an enzyme-linked immunosorbent assay (ELISA). The tested serum was collected in laying hens with reduction of egg production or normal in Gyeongbuk province. A total of 184 sera representing 42 different poultry farms of the Gyeongbuk region of Korea were included in this study. Laying hens of 16 different farms with reduction of egg production and laying hens of 26 different farms with clinically healthy at the time of serum sampling were considered positive to antibody against APV. In the farms with reduction of egg production, positive farm to antibody against avian pneumovirus were 11 of 16 different farms(68.8%) and positive sera were 47(58.8%) of 80 different serum. In the farms with clinically healthy flock, positive farm to antibody against avian pneumovirus were 12(46.2%) of 26 different farms and positive serum sample were 39(37.5%) of 104 different sera. According to the results tested to 42 different farms in 14 city, 8 of 14 city have flocks with antibody positive laying hens against APV, 1 of 14 city have antibody suspicious and 5 of 14 city shown antibody negative, respectively.
Bovine dermatophytosis and susceptibility of the isolates to antifungal drugs
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 57~65
The present study was conducted to examine the outbreak state of bovine dermatophytosis in 14 farms(4 dairy farms, 10 Korean indigenous cattle farms) in Gyeongbuk province from November 2000 to November 2001. The causative agents of dermatophytosis was identified by mycological examination. Antifungal susceptibility test of 26 isolates was performed by agar dilution method, using 5 antifungal drugs. Prevalence of bovine dermatophytosis was found to be 13.5%(90/665) in dairy cattle farms and 14.5%(220/1,520) in Korean indigenous cattle farms. The most common age at which this disease occurred was 2-12 months. This disease usually occurred from winter to spring and the occurrence subsequently decreased in the summer. But 4 Korean indigenous cattle farms with poorly hygienic status were occurred all the year round. The causative agent was identified as Trichophyton verrucosum exclusively in these case. Antifungal susceptibility test of T verrucosum (26 strains) was performed by agar dilution method, using 5 antifungal drugs including tolnaftate, griseofulvin, ketoconazole, amphotericin B and terbinafine. All isolates were highly sensitive to 5 antifungal drugs (geometric mean MICs 0.004∼0.032
). The isolates were the most sensitive to especially tolnaftate.
Feline infectious peritonitis : A case report
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 67~71
A 8 months old, female domestic Shorthair cat with long-term signalment of anorexia, lacrimation, uveitis and coughing was submitted to the Pathology and Diagnosis Reference Division, NVRQS, Korea, for necropsy. Main gross lesions were characterized by ascities, some grayish-white nodular formation and fibrous adhesion on the surface of visceral organs including liver and kidney. Principle histopathological findings were fibrinous serositis, multifocal granuloma and necrosis, vasculitis, perivasculitis in various pharenchymal organs. Paraffin-embedded tissue sections taken from most of organs with granulomatous lesions were confirmed specific reaction to the monoclonal antibody of feline infectious peritonitis virus in the cytoplasm of many infiltrating macrophages by immunohistochemistry. The report was to describe the pathological lesions of the first naturally-occuring FIP case in companion cat of Korea.
Experimental infection in guinea pig with foot and mouth disease virus
Abdul-Ahad ; Rahman, Md-Siddiqur ; Rahman, Md-Mostafizur ; Baek, Byeong-Kirl ; Lee, John-Hwa ;
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 73~80
In order to obtain information on murine model for foot and mouth disease virus(FMDV) type Asia 1, we studied whether guinea pig was a suitable model for studying FMDV. Apparently healthy 3 months old albino guinea pigs and unweaned 3 days old Swiss albino mice were used for this study. Total of 8 guinea pigs were divided into the infected(n=5) and control(n=3) groups. The incubation period of FMDV in the guinea pigs were roughly 2 days and the viremia persisted for 3 days in the guinea pigs. Mice inoculated with the plasma from control guinea pigs did not show any sign of viremia. The plasma were titrated by virus neutralization test using suckling mice as an indicator host. The mean virus neutralizing antibody titers of infected guinea pig at 3 DPI, 4 DPI and 5 DPI were log
10/ 3.39 and log
10/ 3.44, respectively whereas there was no neutralizing antibody titer in control group. The difference between the mortality pattern and mean virus neutralizing antibody titer of infected and that of control group at day 3, 4, 5 were statistically significant(p<0.0l).
Epidemiological study of pulmonary lesions and diseases in slaughter cattle
Rahman, Akma ; Nooruddinm, M. ; Begum, N. ; Rahman, M.S. ; Lee, John-Hwa ;
Korean Journal of Veterinary Service, volume 26, issue 1, 2003, Pages 81~88
A cross-sectional epidemiological study using a multistage sampling strategy in slaughter cattle in Mymensingh, Bangladesh was conducted during September 2001 to April 2002 to study distributions and risk factors of specific pulmonary lesions and diseases. The pulmonary lesions and diseases were diagnosed on the basis of macroscopic and microscopic pathological and parasitological findings. The frequency distribution of pulmonary lesions and diseases in slaughter cattle was found to vary among categories of the study variables. The risk factors identified on statistical basis were male cattle and
years old cattle and summer in congestion, slightly thin physical condition and summer season in pulmonary emphysema, slightly thin physical condition in parasitic bronchitis as well as female cattle, autumn and rainy seasons in pulmonary hydatidosis. The population impact and etiologic significance of summer season on pulmonary congestion and emphysema was more important than that of adult male cattle. The population impact and etiologic significance of autumn season on pulmonary hydatidosis was more important than that of female cattle during rainy season. Population impact of slightly thin cattle on parasitic bronchitis was poor.