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Volume 54, Issue 1
Displaying 1-12 of 12 articles from this issue
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Hiroyuki TANIYAMA2001 Volume 54 Issue 1 Pages 1-6
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
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Hideaki UEKI, Manabu IKEDA, Toshifumi OYAMADA, Hiroyasu YOSHIKAWA, Tak ...2001 Volume 54 Issue 1 Pages 9-12
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSCryptosporidium sp. and Salmonella Typhimurium were isolated from an ostrich being kept in Aomori Prefecture, Japan. The bird was emaciated and prostrate and demonstrated persistent diarrhea. Histologically, the villi of the jejunum and ileum were markedly shortened; and numerous round-to-ovoid structures could be observed within or attached to the surface of the villous epithelium. These organisms were immunohistochemically stained by the monoclonal antibody against the Cryptosporidium parvum oocyst. In addition, Cryptosporidium was ultrastructurally identified. Cryptosporidia were localized in the jejunum and the ileum and could be detected in no other organs, including the crop and the bronchus.View full abstractDownload PDF (2444K) -
Katsuya SATO, Shigehiro AKACHI, Setsuo ASAHI, Takafumi NISHIDA, Ken TA ...2001 Volume 54 Issue 1 Pages 13-17
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSIn 1998, histopathological examinations of 6 weaned, stunted pigs on 2 farms in Mie Prefecture revealed depletion of lymphocytes in the lymphoid follicles and grape-shaped basophilic intracytoplasmic inclusion bodies in the mononuclear cells of the lymphoid organs. Electron microscopy revealed a large number of virus particles (about 17.5nm in diameter) arranged in rope-like structures in the intracytoplasmic inclusion bodies. Immunohistochemical staining with a convalescent serum of pigs recovered from post-weaning multisystemic wasting syndrome (PMWS) and in situ hybridization with a DNA probe based on the nucleotide sequence of porcine circovirus type 2 (PCV-2) showed the virus to be PCV-2. Characteristic PCV-2 DNA was detecteed by PCR. Clinical and pathological findings of pigs in this study were similar to those obtained from cases of PMWS in Canada, the United States, and Europe, although, in this instance, pathogenic organisms other than PCV-2 also were detected.View full abstractDownload PDF (3259K) -
Toru ANZAI2001 Volume 54 Issue 1 Pages 18-20
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
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Shizuo KAWAKAMI, Kazuyuki KANEKO, Yoshihiko KOJIMA, Tsuneyasu OHMORI2001 Volume 54 Issue 1 Pages 21-25
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSTo evaluate its safety and usefulness, osaterone acetate, a new substance with antiandrogen action, was administered to 31 male dogs (ages 3 to 15 years, weights 3.4 to 41.0kg) diagnosed as prostatic hypertrophy. Each dog was assigned to one of the following 3 groups: L group-11 animals receiving less than 0.25mg/kg, M group-7 animals receiving 0.25-0.50mg/kg, and H group-13 animals receiving 0.50mg/kg or more. The substance was administered orally for 7 days, and effects were evaluated on the eighth day. For animals showing no improvement in clinical symptoms on that day, administration at the same dose levels was continued for 3 more days. In these cases, effects were reevaluated on the fifteenth day. Evaluations were based on clinical signs, radiography (in part ultrasonography), digital palpation, hematological examinations, blood chemistry, and urinalysis. In all but 3 animals in the L group, the prostate diminished markedly. These effects were intensified with the administration of additional doses. In terms of practical utility in reducing prostatic size and improving clinical signs, effects appeared earlier in animals in the M and H groups, which received 0.25mg/kg or more. No animals showed any side effects, and no safety problems occurred.View full abstractDownload PDF (1341K) -
Jun-ichi ORI, Takushi YOSHIKAI, Shuichi YOSHIMURA, Saemi TAKENAKA, Hid ...2001 Volume 54 Issue 1 Pages 26-29
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSWe examined an intact male cat (age 3 and a half months) suffering from depression, ptyalism, and such upper respiratory infection signs as eye and nasal discharges and chemosis. The cat manifested high levels of plasma ammonia, alkaline phosphatase, and serum total bile acid. Jejunal vein portography under laparotomy led to a diagnosis of extrahepatic portosystemic shunt. Partial ligation of the shunt vessel resulted in some improvement in the symptoms.View full abstractDownload PDF (2374K) -
Yoshiaki NAGAYA, Naomi INOMATA, Seiji TARUI, Yoshimi NAKANO, Yoshiaki ...2001 Volume 54 Issue 1 Pages 30-33
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSOn the basis of symptoms and blood-test findings, an 11-year-old, male dachshund with alopecia, polydipsia, and polyuria was suspected of hyperadrenocorticism. Adrenocorticotropic hormone (ACTH) testing confirmed the suspicion. Then a corticotropin releasing hormone (CRH)-stimulating test was conducted to determine whether hypercorticism in this case was pituitary-dependent. Because its plasma ACTH level was higher than normal after CRH administration, the affected dog was diagnosed as having pituitary-dependent hyperadrenocorticism. Moreover, histopathological examination revealed adenoma of the pituitary anterior lobe and hyperplasia of the adrenal cortex. These findings indicate that the CRH-stimulating test is useful in diagnosing canine pituitary-dependent hyperadrenocorticism.View full abstractDownload PDF (1930K) -
Soichi MARUYAMA, Minori HOSHI, Yukio MORITA, Hidenori KABEYA, Yasuji K ...2001 Volume 54 Issue 1 Pages 35-40
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSOptimum enrichment broth, selective isolation media, and their culture conditions were examined for the purposes of isolating Arcobacter butzleri and Arcobacter cryaerophilus. Optimum enrichment-culture conditions for the Arcobacter species were obtained by using Arcobacter Selective Broth at 25°C for 2 to 3 days under aerobic conditions. An aerobic culture using modified CIN agar and either Skirrow blood agar or Preston blood agar at 25°C for 2 to 3 days was suitable for isolating both Arcobacter species. Results of tests for catalase, nitrate reduction, 0.04% TTC resistance, and nalidixic-acid resistance and polymerase chain reactions differentiated A. butzleri, A. cryaerophilus, and thermophilic Campylobacters. In addition, the prevalence of Arcobacter species was investigated in 80 samples of retail chicken meat and 20 chicken livers. Twenty percent of the 180 samples were contaminated with Arcobacter species.A. butzleri was isolated from 11 samples, A.cryaerophilus from 6 samples, and both A. butzleri and A. cryaerophilus from 3 samples.View full abstractDownload PDF (1253K) -
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...2001 Volume 54 Issue 1 Pages 41-50
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
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[in Japanese]2001 Volume 54 Issue 1 Pages 59-60
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
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[in Japanese]2001 Volume 54 Issue 1 Pages 64-66
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
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[in Japanese]2001 Volume 54 Issue 1 Pages vii-viii
Published: January 20, 2001
Released on J-STAGE: June 17, 2011
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