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Volume 57, Issue 5
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[in Japanese]2004 Volume 57 Issue 5 Pages 263-265
Published: May 20, 2004
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSDownload PDF (1351K) -
Hiroshi SATO, Shigeo FURUKAWA, Takashi KUROSAWA, Shin OIKAWA2004 Volume 57 Issue 5 Pages 307-309
Published: May 20, 2004
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSOrnithine Carbamoyltransferase (OCT) is recognized as a liver parenchyma enzyme. To clarify the pathophysiological significance of its activities, γ-glutamyl transferase (CGT) and aspartate transaminase (AST) were evaluated in 16 healthy and 106 sick dairy cows. Liver weight and liver triglyceride (TG) levels were measured in some of the animals, on which autopsies were performed. Although plasma OCT activity was 2-9 IU in healthy cows, it tended to rise in some diseased cows, especially when conditions like liver congestion brought on by cardiovascular disorders and hepatic fibroses resulted in liver enlargement. It did not necessarily increase, however, in cases of fatty liver. Hepatic disorder was more probable when OCT was high than when GGT or AST was high. Examination of plasma OCT activities provides useful information for evaluating liver disturbances in dairy cows.View full abstractDownload PDF (438K) -
Masami KIKUCHI, Osamu IWAYA, Hirosi ENDO, Fumio SIGETA, Masahiro UNE, ...2004 Volume 57 Issue 5 Pages 310-312
Published: May 20, 2004
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSVarious methods were used to investigate the presence of Helicobacter infection in 50 sows slaughtered at the Sagamihara meat center from March to June 2000. The latex-agglutination method for the antibody against Helicobacter pylori produced a prevalence of Helicobacter-species infection of 76.7%, histopathological exami-nation of formalin-fixed gastric tissue using a Warthin Starry stain a prevalence of 50.0%, polymerase chain reac-tion using fresh gastric tissues a prevalence of 74%, and ELISA testing for the Helicobacter antigen using feces a prevalence of 44.9%. The prevalence of Helicobacter-species infection ranged from 40% to 100% of sows exam-ined depending on farm of origin.View full abstractDownload PDF (1421K) -
Kaoru SATO, Shoji OGINO, Kazuyuki SUZUKI, Shigehiro IWABUCHI, Kiyoshi ...2004 Volume 57 Issue 5 Pages 313-315
Published: May 20, 2004
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSA six-year-old Holstein cow with anorexia and fever was diagnosed with teat-canal injury complicated by acute mastitis caused by Streptococcus uberis. The cow was treated by parenteral and intramammary administration of antibiotics and a wax-teat bougie (NIT) inserted into the teat canal of the affected quarter to halt milking. To rest the teat, the quarter was not milked for 25 days. Intramammary antibiotics infusions and bougie inser-tion were performed at five-day intervals. On day 26, a negative CMT and culture showed that the teat injury and the mastitis had been fully cured. On day 31, milk yield had recovered to pretreatment level.View full abstractDownload PDF (2292K) -
Makoto MATSUBAYASHI, Niichiro ABE, Isao KIMATA, Yasuko TAKEZAWA, Hiroy ...2004 Volume 57 Issue 5 Pages 317-320
Published: May 20, 2004
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSGiardia trophozoites were detected in fecal samples from a pet dog (4 years old) with diarrhea. After treatment with metronidazole, the dog recovered from illness and Giardia was not found in its fecal samples. But detailed examination of the feces revealed Cryptosporidium oocysts too. Consequently this case was diagnosed as a mixed infection of both Cryptosporidium and Giardia. Even after treatment with metronidazole, Cryptosporidiumoocysts persisted in the fecal samples. This suggests that metronidazole has no anti-cryptosporidial effects. The Cryptosporidium isolate from this dog was identified as C. canis, specific to dogs, by PCR-RFLP analysis. This is the second report of Cryptosporidium infection in a pet dog and the first case of mixed infection of Cryptosporidium and Giardia in Japan.View full abstractDownload PDF (1345K) -
Masaji NAKAMURA, Katsuya TAIRA, Atsushi OHNO, Toshiyuki MASUZAWA, Teru ...2004 Volume 57 Issue 5 Pages 321-325
Published: May 20, 2004
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSA survey of the distribution of Leptospira spp. among small mammals and of the anti-leptospiral antibody in wild boars was performed with the aim of evaluating the present state of leptospiral reservoir animals in Okinawa Prefecture. Nine leptospires were isolated from the 219 small mammals studied in this survey (3 from Rattus rattus, 3 from Mus caroli, 1 from Rattus norvegicus, and 2 from Suncus murinus) for a prevalence of 4.1%. The serovars of the isolates were estimated as javianica (7), hebdomadis (1), and castellonis (1). In the survey of the anti-leptospiral antibody in the wild boar (Sus scrofa riukivanus), 51%(67/131) of the sera demonstrated a positive reaction to 7 leptospiral serovars. Thus the wild boar is a significant leptospiral reservoir on Okinawa. The predominant serovar among the positive wild-boar sera was hebdomadis, which was the dominant serovar among the sera of inhabitants of the same region according to surveys conducted in 1998 and 2000.View full abstractDownload PDF (781K) -
Hirofumi KUSUNOKI, Kazumi SASAI, Eiichirou BABA, Tsuneo FUKATA, Kousuk ...2004 Volume 57 Issue 5 Pages 326-329
Published: May 20, 2004
Released on J-STAGE: June 17, 2011
JOURNAL FREE ACCESSAfter oral administration to four dogs of enterohaemorrhagic Escherishia coli 0157: H7 isolated from a human patient, we examined the inoculated animals for clinical signs, fecal shedding, and hematological conditions. The investigation revealed neither signs of colonization in the intestines nor invasions of internal organs. For a few days after administration, however, live bacteria were observed in the dogs' feces.View full abstractDownload PDF (839K)
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