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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Korean Journal of Veterinary Service
Journal Basic Information
Journal DOI :
The Korean Society of Veterinary Service
Editor in Chief :
Volume & Issues
Volume 17, Issue 3 - Nov 1994
Volume 17, Issue 2 - Apr 1994
Volume 17, Issue 1 - Mar 1994
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A Case of Avian Aspergillosis and Effect of Mold Inhibitor
Korean Journal of Veterinary Service, volume 17, issue 2, 1994, Pages 83~88
The studies were carried out to diagnose of disease chickens that were raised at the chicken farms located in Chung -nam province and evaluated potential of mold growth inhibition of antifungal agent, Mold-X. The diseased 25 chickens that were shown clinical sign such as anorexia, respiratory symptoms, were suspected aspergillosis. The results obtained were summarized as follows ; 1. The diseased thickens were diagnosed aspergillosis according to clinical sign, pathological finding, isolation of etiological agent. 2. The growth of mold was conciderable inhibited by the Mold-X of 300 ppm level.
A Survey of Puteurella Multocida Isolated from Pigs Affected with Pneumonia in Eastern Kangwon
Korean Journal of Veterinary Service, volume 17, issue 2, 1994, Pages 89~94
The present study was conducted to investigate the incidence of pasteurella multocida(p. multocida) infection and some properties of the isolated organisms from the swine herds in Eastern Kangwon during the periods from March 1993 to November 1993. The results obtained were summerized as follows： 1. The lungs of 180 slaughtered pigs were sampled and p. multocida was isolated from 38 pigs (21.1%) and cultured positive. 2. The majority of biochemical md cultural properties of the p. multocida isolates were identical to those of the standard strains. 3. We investigated the capsular serogroup and drug susceptibility of 38 Isolates of p. multocida from pigs with pneumonic lesions 4. p. multocida isolateds were typed for capsular serogroupes A by hyaluronidase inhibition of capsule and D by acriflavin auto agglutination. Most isolates(55.3%) were type A, 15.8% were type D, and the remaining 28.9％ were untypable 5. In antimicrobial susceptibility test these isolates of p. multocida were susceptible in order of colistin(94.7%), ampicillin(94.7%), cepalothin(92.1%). gentamicin(92.1%), amikacin(89.5%), but the majority of them were resistant in order of neomycin(26.3%), teracycline(23.7%), streptomycin( 15.8%)
Comparative Studies on Serological Tests for Actinobacillus pleuropneumoniae Infection in Swine
Korean Journal of Veterinary Service, volume 17, issue 2, 1994, Pages 95~113
To establish an effective diagnostic measure for detection of the antibodies against Actinobacillus pleuropneumoniae, the methods for tube agglutination test (TAT), plate agglutination test (PAT), micro-agglutination test(MAT) and agar-gel immunodiffusion test(ID) were improved and standarized, and the comparative studies were carried out. The results obtained through the experiments were summarized as follows. 1. The rabbit hyperimmune sera to reference serotypes 1 to 6 were cross-tested with TAT, PAT, MAT and ID. In the homologous systems, the range of antibody titers in TAT was 80 to 640, showing the cross-reaction in serotypes 3, 4, 5 and 6. The range of antibody titers in PAT was 4 to 64, showing the cross-reaction in serotypes 3, 4, 5 and 6. In ID, the range of antigen titers was 8 to 32, and cross-reaction was observed in serotype 5. 2. The optimal concentration of antigen in PAT and MAT were 100mg /ml and 1.25mg /ml respectively. The most sensitive reaction in MAT was observed in 52
for 18hrs. 3. In ID, the most promising antigen and the buffer for agar-gel were EDTA-treated antigen and 0.05M tris buffer (pH 7.2), respectively. 4. By the tests for 200 swine sera, it was found that the frequency of positive reaction were 203 in TAT, 240 in PAT and 163 in ID. 5. When compared the titers of TAT with those of MAT for 200 swine sera, MAT showed the higher titer than TAT being increased by relative correlation. Int was found that the titer for positive readings were 20 in TAT and 40 in MAT. 6. when compared the results of ID with those of TAT for 200 swine sera, all sera with TAT titer under 10 were negative in ID. Of the sera with TAT titer 20 and 40, 55.1% nd 91.8% were positive in ID, respectively. All sera with TAT titer above 80 were positive in ID. In comparison of ID and MAT, all sera with MAT titer under 20 were negative in ID. Of the sera with MAT titer 40 and 80, 24.7% and 93.9% were positive in ID, respectively. All sera with MAT titer over 160 showed positive in ID. 7. In conclusion, the established MAT showed high sensitivity but low specificity, wherease ID revealed low sensitivity but high specificity.
Studies on the Total Creatine Phosphokinase(CPK) Activities and CPK Isoenzymes Fractions of Organ Tissues in Chicken
Korean Journal of Veterinary Service, volume 17, issue 2, 1994, Pages 114~121
Clinically healthy 12 female Manina breed chicken (6 of 75 days old : group 46 of 145 days old： group B, female) were examined to establish physiological basic data on organ tissues total Creatine phosphokinase (CPK) activities and CPK isoenzymes fractions. The tissues examined were the Lung, Heart, Liver, Proventriculus, Gizzard, Duodenum, Colon and Muscle. The results obtained were summarized as follows : 1. Total CPK activities were high with decreasing order of the Muscle > Proventriculus >Giz-zard >Heart >Duodenum> Colon >Lung >Liver in group A and Muscle >Proventriculus >Giz-zard >Heart > Colon >Duodenum > Lung > Liver in group B. Significance of total CPK activities in group difference was only found Colon, group B showed higher values than that of group A (p< 0.01). 2. In the pattern of CPK isoenzymes fractions, Lung, Heart, Liver, Proventriculus, Gizzard, Duodenum and Muscle were high with decreasing order of CK2 >CK3, Colon showed the pattern with decreasing order of CK3 >CK2. Significance of CPK isoenzymes fractions in group difference was only found Liver, CK2 in group B(P<0.01) and CK3 in group A(P<0.01) were higher than that of the other group.
Teratogenic Effects of Diazinon in Chick Embryos 1. Effects of Diazinon Treatment on Morphology and Cholinergic Blocking Agents
Korean Journal of Veterinary Service, volume 17, issue 2, 1994, Pages 122~129
Teratogenic effects of diazinon were assessed morphologically and cholinergic blocking agents. Diazinon at doses ranging from 25 to 2000 ug /egg, was Injected on day 3 of incubation. TD50s were different for the various teratogenic signs (wry neck, micromelia, abnormal feathering, abnormal beak and curled claws). The threshould dose for wry neck was higher than threshould dose for other signs； 40 ug/egg produced substantial micromelia, abnormal feathering. abnormal beak and curled claws, but gave no signs of wry neck. In contrast to the teratogenic doses, the LD50 of diazinon was very high (above 2000 ug /egg). One of the characteristics of diazinon-induced teratogenesis was reduced body weight (78.7％) and body length (73.8%). Maximal teratogenic effects, scored as signs of retarded growth, wry neck micromelia, abnormal feathering, abnormal beak, and curled claws, were produced when the insectcide was administered on the third or fourth day. The threshold dose for type II teratogenic signs(such as wry neck and short neck) was higher than for type I (such as micromelia and abnormal feathering). Morphological studies, using atropine and gallamine, suggested that nicotine but not muscarinic receptors may be involved in the mechanism of diazinon induced type II malformations.