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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 :
Volume & Issues
Volume 20, Issue 4 - Dec 1997
Volume 20, Issue 3 - Nov 1997
Volume 20, Issue 2 - May 1997
Volume 20, Issue 1 - Mar 1997
Selecting the target year
Epidemiological studies on the duck septicemia in Chonnam province
Korean Journal of Veterinary Service, volume 20, issue 4, 1997, Pages 323~329
An outbreak of duck septicemia caused by Pasteurella anatipestifer was studied in Chonnam province. The outbreaks of duck septicemia has become an economically important disease in duck farm. The present study undertaken to identify the etiological agent of duck septicemia and to evaluate the efficacy of bacterin against P anatipestifer in Chonnam province during period from May to December 1996. The results obtained were as follows ; 1. The distribution of etiological agents from collected 328 duck samples were Pasteurella anatipestifer(57%), Escherichia coli(21%), duck viral hepatitis virus(4%), Salmonella sp(1%) and others (10%). 2. The agglutination titers of autogenous vaccine were increased after End vaccination and reached highest at 5-6 weeks post inoculation at the titers of 6.0-4.0.
Diagnosis of bovine virus diarrhea-mucosal disease in breeding Holstein cows with diarrhea and vesicles
Korean Journal of Veterinary Service, volume 20, issue 4, 1997, Pages 331~338
The purpose of this study was to establish early diagnosis for bovine virus diarrhea-mucosal disease(BVD-MD) Two Holstein among 22 breeding cows were shown ulcer in the mouth and watery diarrhea. Diarrheal feces and ulcerous lesion of the mouth from 2 cows were sampled for detection of viral antigen. BVD virus was isolated by inoculation of the samples to MDBK cells, and the cytopathic effects were observed in cultured MDBK cells which inoculated with virus isolates from the feces. Viral antigens were detected in the feces and ulceruous lesion by immunogold staining. The serum neutralization titers were shown 1 : 64 or greater in 8 blood samples by using BVD virus (NADL strain). By the RT-PCR, using reverse primer 5'-ACTCCATGTGCCATGTACAG-3', forward primer 5'-ACTCCATGTGCCATGTACAG-3', 285 base pair band specific to BVD virus was detected. In conclusions, the results of above tests which executed using the diarrheal feces and ulcerous lesion of the mouth and the isolates were conformed as BVD virus.
Detection of Residual antibiotics and tetracyclines in beef, pork and chicken
Korean Journal of Veterinary Service, volume 20, issue 4, 1997, Pages 339~348
The purpose of the survey were determined the residual antibiotics and tetracyclines in beef(n=1,364), pork(n=2,817) and chickens(n=1,921) by the EEC 4-plate method, Charm IIand HPLC. The results were summarized as follows ; 1. The recovery rates in spiked samples were 98.8-107.2% for oxytetracycline(OTC), 33.2-48.6% for tetracycline(TC) and 64.1-72.3% for chlortetracycline(CTC) at 0.05-0.1ppm by HPLC using MSPD. 2. Residues of antibiotic were detected from 10 beef(0.75%) and 36 pork(1.31%) by EEC 4-plate method. In case of chickens were not detected. 3. Twenty-eight from 46 positive samples by the EEC 4-plate method were classified as TCs(60.9 %) by Charm II and TC of 12 samples were detected by HPLC. 4. Ten samples were detected levels of OTC ranging from 0.035 to 0.635 ppm and 3 samples were levels of CTC ranging from 0.066 to 0.150 ppm. OTC and CTC levels in 3 beef and 4 pork samples were exceeded the current tolerance level of 0.1 ppm.
A survey on the prevalence of internal parasites in the Korean indigenous goats of Kyungbuk area
Korean Journal of Veterinary Service, volume 20, issue 4, 1997, Pages 349~358
From December 1995 to July 1997, a total of 546 Korean indigenous goats were examined for the presence of internal parasites by parenchymal organs and fecal examinations. Four hundreds seventy eight(87.5%) of the goats were infected with 4 classes and 12 parasitic species. The nematodes were Haemonchus contortus(57.5%), Oesophagostomun venulosum (52.6%), Strongyloides papillosus(48.4%), Ostertagia sp(28.4%), Trichostrongylus colubriformis(17.0%), and Trichuris ovis(13.2%). The trematodes were Paramphistomum sp(17.6%), Fasciola hepatica(15.4%), and Eurytrema Pancreaticum (8.8%). The cestode was Moniezia expansa(16.7%), and the protozoa were Eimeria sp(74.9%) and Toxoplasma gondii(8.6%). The incidence of single or mixed infections among 12 parasitic species were one species infection (6.2%), 2 species(11.5%), 3 species(19.6%), 4 species(24.9%), 5 species(17.8%), 6 species(5.9 %), and 7 species(1.6), respectively. The level of infection according to the age was considerably higher under one year(97.2%) than between one and two years(89.7%), and over two years(69.3%) Among 12 parasites, seasonal pattern was remarkably observed. Most paracites were detected at the highest level in the Winter, whereas Strongyloides papillosus and Paramphistomum sp were in the Spring, and Ostertagia sp and Fasciola hepatica were in the Autumn. Infection rates of Anaplasma sp were 8.6% of 210 goats by blood smear method, and 51.0% by complement fixation test.
Studies on enterotoxigenic Escherchia coli isolated from piglets with diarrhea
Korean Journal of Veterinary Service, volume 20, issue 4, 1997, Pages 359~370
This study was carried out to Investigate the biochemical characteristics, antibiotic susceptibility, serogroups and pili producibility test of enterotoxigenic Escherichia coli(ETEC) isolated from piglets with diarrhea in Kangwon province from March to October 1996. 1. Sixty eight E coli strains were isolated from 72 piglets with diarrhea and the biochemical and cultural reaction were compared with the classification criteria of Edwards and Ewing. 2. The serogroups of 26 isolates were classified as 08 : K87 6(8.8%), O20 : K1O1 4(5.9%), O141 : K85 4(5.9%), 09 : K103 : P987 3(4.4%), O45 : K 2(2.9%) 0139 : K82 2(2.9%), O64 :
2(2.9%), O149 : K91 1(1.5%), O157 : K88ac 1(1.5%) and O115 :
1(1.5%), respectively. 3. In antibiotic susceptibility test, the isolates showed high susceptible to Ak, Eno, Na, Gm, Am and Km, whereas resistance to Tc, Sm and Cf. 4. Sixty one strains(89.7%) of 68 I coli Isolates were resistant to one or more drugs. The isolates resistant to 2 and 3 or more drugs were 60.3% and 19.1%, respectively. Amog the 16 multiple resistant patterns, Sm Tc(11.5% ), Cf Sm Tc(11.5% ), Cf Cp Sm Su Tc(9.8% ) and Cf Cp Sm Su Tc(8.2%) patterns were frequently observed. 5. MRHA of guinea pig erythrocytes was detected in 9 out of 26 OK serotype and 9 out of 42 unidentified serotypes. MRHA titers of serotypes showed from 16 to 32 in O141 : K85 and no titers in O139 : K82. 6. By the GM1 ganglioside ELISA,
-hemolysin producing strains was detected as 36, 6, and 5 from heat labile enterotoxin(LT) of 47 ETEC, respectively. The distribution of LT toxin from 112 isolates was showed
- hemolysin, 2 isolates
-hemolysin and 3 isolates
-hemol-ysin from 26 OK serotypes.