Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
Volume 65, Issue 7
Displaying 1-7 of 7 articles from this issue
Farm Animal Medicine and Animal Health
  • Makoto MITSUMORI
    Article type: Review
    2012 Volume 65 Issue 7 Pages 503-510
    Published: July 20, 2012
    Released on J-STAGE: May 26, 2017
    JOURNAL FREE ACCESS
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  • Takashi HATAZOE, Shingo NAKANISHI, Yoshinori KIMURA, Kazuhiro MISUMI
    Article type: Original Article
    2012 Volume 65 Issue 7 Pages 511-515
    Published: July 20, 2012
    Released on J-STAGE: May 26, 2017
    JOURNAL FREE ACCESS
    To date, there has been no detailed analysis of the death of stallions, specifically the causes and situation.Therefore a retrospective study was conducted on the deaths of 53 Japanese thoroughbred stallions from 1966 to 2010. The study found that 16 horses experienced sudden death, 13 horses died following acute abdomen due to serious intestinal damage, and 11 horses were euthanized following fatal locomotory injuries. Sudden death was recorded for four horses and three horses in January and December, respectively, and two horses in each month from March to June. Five cases of sudden death took place in paddocks, four cases in covering yards, and seven cases in stalls. Autopsies and the subsequent histopathological examinations diagnosed acute cardiac failure based on the myocardial findings such as hemorrhage, swelling, fibrosis, and infarction in seven horses, aortic root rupture in four horses, and abdominal large artery rupture in two horses. For the remaining three horses, no pathological explanation for the death could be found. Consequently, the risk of sudden death in thoroughbred stallions may increase in winter and during the open season for mating, and could mainly be associated with acute cardiovascular disorders.
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  • Shiori CHIBA, Tetsuro FUJISAWA, Kosuke ISHIHARA, Kotaro MATSUMOTO, Kaz ...
    Article type: Short Communication
    2012 Volume 65 Issue 7 Pages 516-519
    Published: July 20, 2012
    Released on J-STAGE: May 26, 2017
    JOURNAL FREE ACCESS
    A Holstein calf, manifesting clinical signs of left hind limb extension, staggering gait, circling to the left side,and head tremor, was investigated clinically and pathologically. Since we could not detect any remarkable lesion in a head CT scan examination, we suspected the presence of spinal cord lesions. Necropsy revealed a duplication of the spinal cord at the level from T13 to the lumbosacral segment. Pathologically, the calf was diagnosed with diplomyelia. In Japan, to our knowledge, diplomyelia has been reported in only a few cases of Japanese black cattle. This case indicates the possibility that diplomyelia may also occur in a Holstein calf.
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  • Manabu YAMADA, [in Japanese], [in Japanese], [in Japanese], [in Japane ...
    Article type: Data and Information
    2012 Volume 65 Issue 7 Pages 520-524
    Published: July 20, 2012
    Released on J-STAGE: May 26, 2017
    JOURNAL FREE ACCESS
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Small Animal Medicine
  • Daisuke SHIGA, Mika MISHINA, Hiroshi AOKI, Hiroshi ISHII, Toshifumi WA ...
    Article type: Short Communication
    2012 Volume 65 Issue 7 Pages 525-529
    Published: July 20, 2012
    Released on J-STAGE: May 26, 2017
    JOURNAL FREE ACCESS
    A 15-month-old intact male Labrador Retriever presented with hematuria and pollakiuria. On physical examination, a lower abdominal mass was palpated. Abdominal ultrasonography and contrast cystography revealed a urinary bladder mass that extended over the entire trigonal area. A total cystectomy was performed, and embryonal rhabdomyosarcoma was diagnosed by histopathological examination of the bladder. Postoperatively, the dog received a single dose of systemic chemotherapy, which was not continued at the owner’s request. At the time of this report, 6 years after the cystectomy, the dog was free of recurrence and metastasis and had maintained good health.
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  • Hiroki YAMAZAKI, Satoshi TAKAGI, Naoko OGI, Takafumi SUNAGA, Yoshinori ...
    Article type: Short Communication
    2012 Volume 65 Issue 7 Pages 530-533
    Published: July 20, 2012
    Released on J-STAGE: May 26, 2017
    JOURNAL FREE ACCESS
    Balloon dilation of urethral strictures were performed on four dogs with urine-based tumors as a minimally invasive and palliative treatment. The dogs exhibited complete resolution of clinical signs immediately after treatment and their condition remained stable for approximately two months. Side effects were temporary and no clinical problems were noted. Additional cases are necessary to enable consideration of the optimal procedure with respect to dilation pressure and complications from this treatment.
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Veterinary Public Health, Wildlife and Environmental Conservation
  • Kenji TABARA, Hiroki KAWABATA, Shuji ANDO, Satoru ARAI, Asao ITAGAKI, ...
    Article type: Original Article
    2012 Volume 65 Issue 7 Pages 535-541
    Published: July 20, 2012
    Released on J-STAGE: May 26, 2017
    JOURNAL FREE ACCESS
    An epidemiological investigation into Tsutsugamushi disease in Shimane Prefecture was conducted using human clinical samples and rodent samples. A serological examination reveals Orientia tsutsugamushi serotype Karp as the dominant infectious serotype in patients. From sequence typing of Orientia tsutsugamushi, Orientia tsutsugamushi Japanese Karp type 2 (JP-2), Japanese Gilliam (JG), and Yeo-joo reported in Korea were detected from clinical specimens. As both JP-2 and JG types of Orientia tsutsugamushi have been observed in Apodemus speciosus in Shimane Prefecture, it is likely that Apodemus speciosus is the reservoir of these pathogenic Orientia tsutsugamushi in the natural environment.
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