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Volume 58, Issue 6
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[in Japanese]2005 Volume 58 Issue 6 Pages 351-352
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
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[in Japanese]2005 Volume 58 Issue 6 Pages 355-356
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
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[in Japanese], [in Japanese]2005 Volume 58 Issue 6 Pages 357-359
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
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Shin OIKAWA, Yusuke KONNO, Toshihiko TAKAHASHI, Hiroyoshi OTA, Rieko M ...2005 Volume 58 Issue 6 Pages 387-390
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSSerum pepsinogen levels were investigated in 138 head of Holstein and Japanese Black heifers (6 to 17 months old) grazed on 8 different pastures on Hokkaido between May and October in the years 2000-2002. InAugust and October, gastrointestinal nematode-egg counts in rectal feces were significantly lower in anthelmintic-treated animals than in untreated animals. Prevalent nematode species wereOstertagia ostertagiandCooperiasp. In August, serum pepsinogen levels in the untreated group (mean±SD, 1, 330±247mU) were markedly higher than in the untreated group (962±177 mU). This probably reflects the pathogenesis of abomasa impaired by nematodes. Although the egg count decreased distinctly, serum pepsinogen levels in the untreated group remained higher in October, suggesting persisting nematode infection in abomasa.View full abstractDownload PDF (661K) -
Takashi TAMURA, Yukio M. SEIMIYA, Maki TAKAHASHI, Gakuji YAEGASHI, Ryu ...2005 Volume 58 Issue 6 Pages 391-394
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSPathological examination of a 7-year-old, post-parturient cow with long-term anorexia and subsequent dyspnea showed that the left atrial and ventricular endocardia were thickened and had rough, hard surfaces. Palpation resulted in induration of both sides of the pulmonary posterior lobes. This condition was accompanied by interstitial emphysema. Histolgical examination revealed, severe calcification of the subendocardium and pulmonary alveolar walls. The lesions were characterized by degenerated elastic fibers and accumulations of a matrix containing mucopolysaccharides and calcium salts. The chief cells of the parathyroid glands were atrophic. Calcium, inorganic phosphorus and magnesium concentration in a serum sampled at necropsy remained almost within normal ranges. Transient hypersecretion of parathormone perhaps resulting from persistent anorexia was suspected as a possible cause of the disease.View full abstractDownload PDF (1736K) -
Satoru KODAMA2005 Volume 58 Issue 6 Pages 395-397
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSInvestigation showed the average gestation period of 212 Japanese Black calves born in the Miyakonojo Kitamorokata district of Miyazaki Prefecture between January and December 2001 to be 291.2±5.0 days. The calves were sired by five bulls named Yasuhira, Fukuzakura, Teruhagi, Kamihuku, and Shigehuku. Comparisons showed that gestation periods of calves sired by Yasuhira were much longer than those of calves sired by Fukuzakura and Teruhagi. Gestation periods of calves sired by Shigehuku were much longer than those of calves sired by Teruhagi. These results suggest that gestation periods may vary significantly according to sire.View full abstractDownload PDF (455K) -
Takehiro UNO, Tetuo YUMOTO, Makiko KATAGIRI, Yuitirou KANESASI, Keiiti ...2005 Volume 58 Issue 6 Pages 401-404
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSYellow fat disease was observed in 4 cats (ages from 6 months to 1 year and 4 months with a mean of 10.5 months) fed a commercial diet. The relationship between the disease and diet was examined. Commercial diets given to 2 cats contained the recommended amount of vitamin E but less linoleic acid and more docosahexaenoic acid than is found in an adult-cat food produced by a prescription diet maker. They also contained moreω3 thanω6 fatty acids. When 2 healthy cats were fed the same diet that had been given to cats with yellow-fat disease for 70 days, their blood levels of arachidonic acid, eikosapentaenoic acid, and docosahexaenoic acid rose markedly; and the percentage ofω3 fatty acid exceeded that ofω6 fatty acid. These results suggest that, even when cat diets contain the recommended amount of vitamin E, if they are low in linoleic acid, are rich in highly unsaturated fatty acids, and contain a higher percentage ofω3 than ofω6 fatty, their continued administration can lead to the development of yellow fat disease.View full abstractDownload PDF (614K) -
Yoshiaki TAKAHASHI, Atsushi HIRAKAWA, Hinako SHIBAYAMA, Yoshihiro OMIC ...2005 Volume 58 Issue 6 Pages 405-408
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSA Japanese domestic cat being FeLV-possitive and suffering from depression, anorexia, and vomiting showed severe pancytopenia. Examination of bone-marrow and cytochemical staining led to a diagnosis of acute myeloblastic leukemia with maturation (M2). Combination chemotherapy using vincristine, daunorubicin, cytosine arabinoside, and prednisolone resulted in a complete remission. Thereafter the cat had been kept in a good condition by a low dose administration of cytosine arabinoside. On the 346th day, however, anemia, thrombocytopenia, and leukocytosis of the blast cells appeared. Because the blast cells were negative for both peroxidase and nonspecific esterase, and flow-cytometry analysis of cellular surface markers revealed that the blast cells belonged to the T-cell line, a diagnosis of acute lymphoblastic leukemia had been made. Though treated with vincristine, the cat died on the 368th day.View full abstractDownload PDF (2061K) -
Yasuhiro HOMAN, Norihiko MUROGA, Satoshi TAHARAGUCHI, Takehisa CHUMA, ...2005 Volume 58 Issue 6 Pages 411-414
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSBetween November, 2000, and February, 2002, 342 specimens of crane feces were collected from the Izumi Plain in Kagoshima Prefecture for the isolation of Salmonella spp. AlthoughSalmonellaTyphimurium (ST) was isolated from 64 samples (18.7%), no other serotypes were found. Except for one isolate resistant to gentamicin, tests using minimum inhibitory concentration (MIC) of 12 antibiotics detected no resistant strains among the 64 isolates of this study and among 3 strains isolated in 1997. Pulsed-field gel electrophoresis (PFGE) ofXbaI-digested chromosomal DNA showed indistinguishable banding patterns in all 32 isolates tested. These results suggest that ST strains with the PFGE pattern may spread in crane flocks during their annual winter stay on the Izumi Plain.View full abstractDownload PDF (1635K) -
Yukio MORITA, Hidenori KABEYA, Yukio TAMURA, Hiromi SAKAWAKI, Masahiro ...2005 Volume 58 Issue 6 Pages 415-417
Published: June 20, 2005
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSArcobacterspp. were isolated from 23.5% of samples (24/102) of river water in Gunma Prefecture. Of them, A.butzlerialone was detected in 20 samples, A.butzleritogether with A.cryaerophilus (group 1B) in 2 samples, and A.butzleritogether with A.skirrowiiin 2 samples. Geometric mean values of coliform bacteria inArcobacter-positrve water were 2.0×104MPN/100ml, or statistically higher than those fromArcobacter-negative water (2.0×103MPN/100ml)(P<0.005). These findings suggest that river water contaminated with coliform bacteria may be a potential vehicle for transmitting Arcobacter diseases.View full abstractDownload PDF (511K)
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