Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
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Volume 65, Issue 1
Displaying 1-8 of 8 articles from this issue
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Farm Animal Medicine and Animal Health
  • Teschovirus Encephalomyelitis in Pigs and Serological Survey of Porcine Teschovirus and Porcine Enterovirus B in Saga Prefecture
    Daisuke NISHI, Hiroyuki YAMAGUCHI, Ayako MIYAZAKI, Hiroshi TSUNEMITSU
    Article type: Original Article
    2012 Volume 65 Issue 1 Pages 31-36
    Published: January 20, 2012
    Released on J-STAGE: May 26, 2017
    DOIhttps://doi.org/10.12935/jvma.65.31
    JOURNAL FREE ACCESS
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    Growth retardation and wasting were observed in 6 of 42 pigs at approximately 40 days of age in a herd with 60 sows. Of these, two pigs developed severe neurological signs and became recumbent four days after the onset. The two pigs with neurological signs and one with wasting were examined to diagnose the disease. On pathological examination, nonsuppurative encephalomyelitis was observed in all three pigs examined，and the histological features and viral antigen of porcine circovirus type 2 (PCV2) were detected in the tonsils, subcutaneous lymph nodes, and mesenteric lymph nodes of all three pigs examined. On microbiological examination, porcine teschovirus (PTV) was isolated from the cerebrum of the two pigs with neurological signs，and porcine enterovirus B (PEV-B) was isolated from the pooled rectum content of the three pigs. The final diagnosis was Teschovirus encephalomyelitis (previously known as enterovirus encephalomyelitis or Teschen/Talfan disease) associated with PCV2 infection, based on the neurological signs, histological features, and virological evidence. In addition, a serological survey by virus neutralization test in 408 porcine sera sampled randomly from 49 farms in Saga prefecture showed that both PTV-1 and PEV-B isolates were highly prevalent among the pig populations in Saga prefecture.
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  • Infectivity of Three Avian Adenovirus Strains Causing Inclusion Body Hepatitis to Yolk Sac Epithelial Cells of Chicks
    Toru OGATA, Jun SASAKI, Konomi KURAMOCHI, Takeshi KAWASAKI, Masanobu G ...
    Article type: Original Article
    2012 Volume 65 Issue 1 Pages 37-41
    Published: January 20, 2012
    Released on J-STAGE: May 26, 2017
    DOIhttps://doi.org/10.12935/jvma.65.37
    JOURNAL FREE ACCESS
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    Four avian adenovirus (AAV) strains were inoculated intramuscularly into the femoral area of day-old SPF chicks. These strains were isolated from chickens or chicks with inclusion body hepatitis (IBH) : Three were isolated in the late 1990s and the other one having infectivity to yolk sac epithelial cells was isolated in 2009.In all experimental groups, most of the chicks died at 3 to 7 days post-inoculation. Histologically, basophilic intranuclear inclusion bodies were demonstrated in yolk sac epithelial cells in addition to hepatocytes, pancreatic acinar cells, and duodenal mucosal epithelial cells. The results suggest that many AAV strains causing IBH might infect yolk sac epithelial cells.
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  • Proceedings of the Slide-Seminar held by the Livestock Sanitation Study Group in 2010 PartⅡ
    Tomoyuki SHIBAHARA, [in Japanese], [in Japanese], [in Japanese], [in J ...
    Article type: Data and Information
    2012 Volume 65 Issue 1 Pages 42-46
    Published: January 20, 2012
    Released on J-STAGE: May 26, 2017
    DOIhttps://doi.org/10.12935/jvma.65.42
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Small Animal Medicine
  • Functional End-to-End Bowel Anastomosis using a Diode Laser in Clinical Application for Cats with Megacolon : 18 cases
    Hiroshi SUMIYOSHI, Eiichi YAMADA, Yoshiharu OKAMOTO
    Article type: Short Communication
    2012 Volume 65 Issue 1 Pages 47-51
    Published: January 20, 2012
    Released on J-STAGE: May 26, 2017
    DOIhttps://doi.org/10.12935/jvma.65.47
    JOURNAL FREE ACCESS
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    Functional end-to-end bowel anastomosis using a diode laser was performed on eighteen cats with megacolon. Complications including anastomotic leakage, stricture, and anastomotic haemorrhage were examined by perioperative or postoperative clinical observation. No abnormal findings were observed in these examinations, and the patients achieved a favorable recovery. It is suggested that this technique may be used safely for cats with narrow bowels.
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  • Balloon Dilation for Antral Pyloric Hypertrophy Syndrome in a Dog
    Tomoya HARAGUCHI, Kazuhito ITAMOTO, Yoshikazu TAZUMI, Kenji TANI, Hiro ...
    Article type: Short Communication
    2012 Volume 65 Issue 1 Pages 52-56
    Published: January 20, 2012
    Released on J-STAGE: May 26, 2017
    DOIhttps://doi.org/10.12935/jvma.65.52
    JOURNAL FREE ACCESS
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    A seven-year-old spayed female Miniature dachshund presented with chronic vomiting and body weight loss. X-ray computed tomography and an endoscopic examination revealed obstruction of the passage from the stomach caused by antral pyloric hypertrophy syndrome. Pyloric balloon dilation was performed twice. After the balloon dilation, no clinical signs were observed and the pyloric stenosis improved. More than two years later, the dog has shown no sign of recurrence. Pyloric balloon dilation may be useful for management of dogs with antral pyloric hypertrophy syndrome.
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  • Giant Hypertrophic Gastritis in a Dog Treated with Surgical Resection
    Yukako MITAKE, Takashi MORI, Yuki HOSHINO, Yusuke ITO, Sadatoshi MAEDA ...
    Article type: Short Communication
    2012 Volume 65 Issue 1 Pages 57-60
    Published: January 20, 2012
    Released on J-STAGE: May 26, 2017
    DOIhttps://doi.org/10.12935/jvma.65.57
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    A 10-year-old, male Shetland sheepdog presented at our hospital with a hematemesis and severe anemia. A complete blood cell count revealed severe anemia. Blood serum biochemical abnormalities included hypoproteinemia. Survey abdominal radiography revealed increased radiodensity in the cranial abdominal region and dilatation of the stomach. Imaging studies by ultrasound identified a remarkably parenchymal lesion protruding into the gastric lumen. Because we considered that severe anemia resulted from bleeding from the lesion, exploratory laparotomy was performed with a blood transfusion. Gastrotomy revealed the presence of giant cerebriform rugal folds arising from the fundus and body of the stomach, and the lesion was resected by performing partial gastrectomy. Histopathological findings of gastric glandular hyperplasia and a lack of cellular atypia suggested giant hypertrophic gastritis. After the surgery, a gradual improvement in the anemia and hypoproteinemia was made. The dog has been relapse-free for one year.
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  • Cerebral Histiocytic Sarcoma in a Cat
    Jun SASAKI, Mariko TSUJI, Hiroaki KAMISHINA, Yasuaki KATAYAMA, Masanob ...
    Article type: Short Communication
    2012 Volume 65 Issue 1 Pages 61-63
    Published: January 20, 2012
    Released on J-STAGE: May 26, 2017
    DOIhttps://doi.org/10.12935/jvma.65.61
    JOURNAL FREE ACCESS
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    A twelve-year-old spayed female mixed breed cat afflicted with seizure and ataxia was referred to the Veterinary Teaching Hospital of Iwate University．CT examination revealed a mass at the right parietal lobe of the brain, and a white mass was removed surgically．Histopathologically，histiocytic tumor cells with bizarre nuclei and eosinophilic abundant cytoplasm showed a diffuse proliferation pattern．Scattered infiltration of lymphocytes and plasma cells was observed in the tumor tissue．With immunohistochemistry，many tumor cells were positive for vimentin，HLA-DR，lysozyme，and Iba1．Tumor cells had high density spherical structures in the cytoplasm．Based on these findings，the lesion is diagnosed as cerebral histiocytic sarcoma．
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Veterinary Public Health, Wildlife and Environmental Conservation
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