Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
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Volume 45, Issue 11
Displaying 1-14 of 14 articles from this issue
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  • Simulation for a Bovine Leukosis Eradication Campaign based on the Prevalence Rate of Bovine Leukemia Virus Antibody in Shimane Prefecture
    YASUAKI YASUDA, SATORU ITAKURA, IKUO KADO, HACHIRO UENO, RYOJI UENO
    1992 Volume 45 Issue 11 Pages 829-832
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.829
    JOURNAL FREE ACCESS
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    Under the bovine leukosis eradication campaign in Shimane Prefecture since 1987, the prevalence rate of antibody against bovine leukemia virus was reduced to 0.27% in a population (about 2, 950 head) of Japanese Black beef cattle by 1990. Random sampling with a hypergeometric distribution from a no prevalence group was applied to the eradication by simulation. The simulation of bovine leukosis eradication with the initial prevalence rate (0.27%) was also examined. As a result, 2.4±0.42 (mean±95% confidence limit) positive cattle were detected thereafter in the population at risk.
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  • Pathological Findings on Four Abnormally Born Calves with Infection of Neospora-Like Protozoa
    KOKEN OKUDA, TOYOKO FUKUTOMI, MOTOAKI OUCHI, MARIKO YAMAKAWA, KOICHI K ...
    1992 Volume 45 Issue 11 Pages 833-836
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.833
    JOURNAL FREE ACCESS
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    Four abnormally born calves with weakness and irregular bend of the vertebral column, cerebellar hypoplasia, or arthrogryposis of the four legs showed Toxoplasma-like tissue cysts and tachyzoites in the brain, skeletal muscle, or myocardium. Tissue cysts were round to ellipsoidal in shape with a thick cyct wall and contained numerous bradyzoites which were crescent in shape with a marginated nucleus. Formaldehyde-fixed tissue cycts and tachyzoites were subjected to immunohistochemical examinations (ABPC test; Lindsay and Dubey, 1989) using rabbit anti-Toxoplasma gondii, anti-Hammondia hammondi, anti-Neospora caninum, and anti-Sarcosystis crusi sera as primary antibody. Positive reaction was obtained only with anti-N. caninum serum. The present results suggest the occurrence of N. caninum in Japan and its causative role in the development of abnormal delivery in calves.
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  • Isolation of Aino Virus from a Cow with Astasia and Leukopenia
    KAZUKI ISHIBASHI, KENICHI ASADA, HITOMI SHIRAKAWA, HIROSHI NAKAMURA, A ...
    1992 Volume 45 Issue 11 Pages 837-840
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.837
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    In September, 1990, a lactating Holstein-Friesian cow on a farm suffered from astasia and leukopenia. A virus was isolated from the erythrocytes and plasma of the blood of the cow by the intracerebral inoculation of suckling mice. The virus induced cytopathic effect and formed plaques in Vero and HmLu-1 cell cultures, and was identified as Ainovirus, a member of the Simbu group of the family Bunyaviridae, by the neutralization test. The physicochemical properties of the virus were compatible with those of Ainovirus. Most of other cows on the farm showed significant increases in the neutralizing antibody titer against Ainovirus, indicating that the virus was prevalent among the cows on the farm.
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  • Measurment of Immunoglobulin G in Bovine Serum and Milk by Nephelometry
    KAZUYUKI OYAMA, YOSHIKO MOTOI, TSUTAE OHASHI, SHIGERU MIYAZAKI, HIDEO ...
    1992 Volume 45 Issue 11 Pages 841-844
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.841
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  • Application of a Dry Chemistry Blood Analyser in Large Animal Medicine
    FUMIO HOSHI, SEIICHI KAWAMURA, SEIICHI HIGUCHI
    1992 Volume 45 Issue 11 Pages 845-848
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.845
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  • [title in Japanese]
    1992 Volume 45 Issue 11 Pages 849-853
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.849
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  • Two Cases of Canine Malignant Basal Cell Tumor
    KOUSUKE FUKUI, HIROYUKI NAKAYAMA, KAZUYUKI UCHIDA, NAOAKI GOTO
    1992 Volume 45 Issue 11 Pages 856-858
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.856
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    Two cases of canine malignant basal cell tumor were observed. One originated in the skin of the left dorsolateral abdominal area and showed a combined histological appearance of solid and adenoid types. Pulmonary and adrenal metastases were noted in this case. The other originated in the skin of the cervical area. The tumor cells showed a keratinizing tendency and severe invasion to the surrounding tissues.
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  • Rupture of the Common Bile Duct in a Dog
    MASAMI UECHI, TOSHIFUMI WATANABE, TOMOO HORIKAWA, TOMOHIRO NAKAYAMA, A ...
    1992 Volume 45 Issue 11 Pages 859-861
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.859
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    A 6-year-old, male Shetland sheepdog was presented to Azabu University Veterinary Hospital due to listlessness and lack of appetite. On physical examination, the abdomen was enlarged and abdominal cystcentesis revealed the peritoneal fluid of a dark and brownish color, which suggested to be a bilepigmented fluid. Serum biochemical analysis revealed elevated glutamic oxaloacetic transaminase (GOT), glutamic pyruvic transaminase (GPT), and alkaline phosphatase (ALP). Radiography revealed a ground-glass density in the abdomen. Based on these results, rupture of the common bile duct was suspected. An emergency laparotomy was performed and about 600 ml of the bile-stained fluid was removed. After careful examination of the fluid, it was found to originate from a rupture in the common bile duct. The common bile duct was ligated, and a cholecystojejunostomy was performed. The dog recovered from the surgery without any complications.
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  • Dirofilariasis in a Cat with Eosinophilic Interstitial Nephritis
    YOSHIYASU KOBAYASHI, TSUYOSHI AWAKURA, AKINORI SHIMADA, TAKASHI UMEMUR ...
    1992 Volume 45 Issue 11 Pages 862-864
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.862
    JOURNAL FREE ACCESS
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    A 4-year-old male Japanese cat died of renal failure with anorexia and emesis. Necropsy revealed swelling of the left kidney with blood coagulation in the renal pelvis and hypoplasia of the right kidney. Histologically, congestive edema and parasitic embolism, which was caused by Dirofilaria immitis infection, were observed in the lung. The characteristic change in the left kidney was eosinophilic interstitial nephritis with formation of tissue clefts. These pathological findings suggested that renal failure in the present case might be caused by parenchymal injury following larval migration of Dirofilaria immitis in the left kidney.
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  • Two Cases of Sudden Death in Puppies caused by Parvoviral Myocarditis
    TAKESHI KANNO, HIROMI FURUTSU, CHIO YOSHIDA, MITSUYOSHI NAKAGAWA, TAKA ...
    1992 Volume 45 Issue 11 Pages 865-867
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.865
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    Two 30-day-old puppies, a female mongrel (case 1) and a female Shetland sheepdog (case 2), which died without characteristic symptoms, were pathologically examined. Histopathologically, basophilic intranuclear inclusion bodies were present in the nuclei of the cardiac muscle, and necrosis of the cardiac muscle fibers was frequently observed in case 1. Case 2 showed myocarditis characterized by mononuclear cell infiltration and basophilic intranuclear inclusion bodies. Immunohistochemically, these inclusion bodies gave a positive reaction against antibody to feline panluekopenia virus. Ultrastructurally, the inclusion bodies were composed of spherical viral particles approximately 20 nm in diameter. From these findings, both cases were diagnosed as myocarditis due to canine parvovirus.
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  • [title in Japanese]
    1992 Volume 45 Issue 11 Pages 868-879
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.868
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  • A Control Measure against Mycoplasmal Pneumonia of Swine based on Meat Inspection Data
    MITSUNOBU SHIRAISHI, TAKASHI KUBO, HIROSHI TANAKA, YOSHIO TAKAHASHI, H ...
    1992 Volume 45 Issue 11 Pages 881-884
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.881
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    A total of 3872 pigs from 33 farms, which were slaughtered at E Meat Center in Ehime Prefecture were examined for relationships between prevalence rates of diseases and grades of the carcasses. A positive correlation existed between grades of the carcasses and mycoplasmal pneumonia of swine (MPS) out of 14 chronic diseases, but did not between grades of carcasses and 13 other chronic diseases. On the basis of these results, farmers having a high MPS prevalence rate received advice regarding animal hygiene practice with the view of lowering the prevalence. The examination of the effect through the above advice by monitoring the seropositive rate to MPS on the farms revealed a decrease in the MPS seropositive rate of breeding pigs from 63.2 (before the advice) to 20.8%(after the advice). Autopsy findings also indicated a decrease in the MPS prevalence rate from 46.5 (before the advice) to 34.2%(after the advice), suggesting the effectiveness of the above advice.
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  • The Actual State of the Administration of Animal Control and Protection Including Rabies Control in the United Kingdom and Canada
    MASAAKI KEINO
    1992 Volume 45 Issue 11 Pages 885-887
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.885
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1992 Volume 45 Issue 11 Pages 888-893
    Published: November 20, 1992
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.45.888
    JOURNAL FREE ACCESS
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