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Volume 56, Issue 4
Displaying 1-7 of 7 articles from this issue
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[in Japanese]2003 Volume 56 Issue 4 Pages 207-208
Published: April 20, 2003
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSDownload PDF (1031K) -
[in Japanese], [in Japanese], [in Japanese]2003 Volume 56 Issue 4 Pages 209-217
Published: April 20, 2003
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSDownload PDF (1590K) -
Narihisa ONUMA, Kazuma KUDO, Shuji OGAWA, Mami SAKURADA, Eiko SUNAHARA ...2003 Volume 56 Issue 4 Pages 245-248
Published: April 20, 2003
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSBacterial and parasitic pathogens were negative in fecal samples taken from three adult diarrheal cows on a dairy farm in Akita Prefecture in January 2001, Electron microcopy revealed only rotavirus particles in the samples. RNA-polyacrylamide gel electrophoresis detected group-A rotavirus (GAR) RNA segments. GAR was isolated from two samples with MA104 cells, the VP7 serotype of which was G6 and the VP4 genotype of which was P [1] Significant GAR antibody response was observed in two affected and one non-affected cow. Results indicate that GAR infection caused diarrhea in the adult cows in this study.View full abstractDownload PDF (1454K) -
Maki TAKAHASHI, Yukio SEIMIYA, Takashi ASANO, Takashi TAMURA, Masanori ...2003 Volume 56 Issue 4 Pages 249-252
Published: April 20, 2003
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSIn October 2001, a 9-year-old Japanese Black cow demonstrating such neurological abnormalities as clonic convulsion, torticollis, and blindness was subjected to pathological, biochemical, and pathogenic examinations 6 days after the emergence of the condition. Macroscopically, several yellowish lesions were observed in the cerebral cortex. Histological examination demonstrated focal or laminar areas of necrosis distributed through the cerebral cortex, neuropil vacuolation at the dorsal vagus nuclei in the medulla oblongata, and nephrosis with acid-fast intranuclear inclusions. On a dry-weight basis, the lead content of the liver was 51.2 ppm and that of the renal cortex 122.3 ppm. ELISA, Western blotting, and immunohistochemical techniques detected no abnormal prion-protein isoform from the obex region of the medulla oblongata. These findings suggest that the cow was affected by lead poisoning and that the changes in the medulla oblongata were associated with this poisoning and not with bovine spongiform encephalopathy. A fishing-net rope containing lead wire that had been used to retain the cow was suspected to be the source of the leadView full abstractDownload PDF (2467K) -
Jun-ichi ORI, Shuichi YOSHIMURA, Katsuaki TAKASE2003 Volume 56 Issue 4 Pages 255-260
Published: April 20, 2003
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSUsing the results of a study on trans-scleral photocoagulation by diodelaser (DL) performed on normal canine eyes, we treated glaucomatous canine eyes to improve clinical signs andpotentially to retain vision. Long-term post-operative changes, including intraocular pressure (IOP) were observed. IOP increased remarkably in both normal and glaucomatous eyes immediately after DL treatment, while thereafter it was significantly lower than that of pretreatment. Histological changes included necrosis and disruption of the ciliary epithelium and basal membranes. Short-term post-DL complications were, in order of frequency, conjunctival congestion, corneal opacity, and fibrin accumulation in the anterior chamber. Long-term changes were such dyscoria as fixed pupil and irregular pupil margin, posteriorlens luxation, and cataract. In most cases, clinical signs of glaucoma were resolved, and vision was restored in someView full abstractDownload PDF (1801K) -
Osamu DOIGUCHI, Masaru DOIGUCHI2003 Volume 56 Issue 4 Pages 261-264
Published: April 20, 2003
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSEchocardiography revealed asymptomatic hypertrophic obstructive cardiomyopathy in a 2-year-old Persian cat initially submitted for dermal disease. Once curative improvement of the dermal disease had been achieved, a calcium channel blocker (Diltiazem) was administered for 284 days. When neither hemo-dynamics nor diastolic function improved, this drug was replaced with a β-adrenergic blocker (Atenolol). Observation for a further 562 days revealed improvement in diastolic function, reduced systolic anterior movement of the mitral valve, and alleviation of mitral regurgitation. Thereafter, amplitude of the left-ventricular outflow pressure gradient changed from 139mmHg to 7.2 mmHg; and hypertrophic septal thickness decreased from 0.75cm to 0.45cm.View full abstractDownload PDF (1697K) -
Takashi KANDA, Yuichiro SASA, Takeru URUSHIBATA, Haruo KONAGAI, Hirosh ...2003 Volume 56 Issue 4 Pages 267-271
Published: April 20, 2003
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSEighteen strains of Shiga toxin-producing Escherichia coli (STEC) were isolated from 14 (8.9%) of 158 fecal samples from slaughtered cattle. Isolate serotypes were 015 (1 strain), 028ac (1 strain), 0119 (2 strains), 0126 (1 strain), 0157 (2 strains), and OUT (11 strains). Isolates of 0157 (2 strains) and OUT (4 strains) harbored 3 virulence factors (the stx gene, the eaeA gene, and the hlyA gene); 28ac (1 strain) and OUT (2 strains) harbored 2 factors (the stx gene and the hlyA gene). PCR examinations were performed on 233 fecal samples for STEC virulence factors. Of them, 55 (23.6%) were positive for stx genes. Of these, 19 samples were positive for 3 factors (the stx gene, the eaeA gene, and the hlyA gene); 18 were positive for 2 factors (the stx gene and the hlyA gene); and 1 was positive for 2 factors (the stx gene and the eaeA gene). Factor detection rates varied from farm to farm.View full abstractDownload PDF (893K)
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