Japanese Journal of Zoo and Wildlife Medicine
Online ISSN : 2185-744X
Print ISSN : 1342-6133
ISSN-L : 1342-6133
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Volume 2, Issue 2
Displaying 1-9 of 9 articles from this issue
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Full paper
  • Parasitic Helminths from Himalayan Field Mice, Apodemus gurkha and Sikkim Vole, Microtus sikimensis, in the Himalayas, Nepal
    Mitsuhiko ASAKAWA, Kazuhiro KOYASU, Masashi HARADA, Shrestha C. KRISHN ...
    1997 Volume 2 Issue 2 Pages 81-85
    Published: 1997
    Released on J-STAGE: May 05, 2018
    DOIhttps://doi.org/10.5686/jjzwm.2.81
    JOURNAL FREE ACCESS
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    Although there are many reports on parasitic helminths obtained from the rodents belonging to the Muridae, there has been no report on Apodemus gurkha and Microtus sikimensis. Accordingly, 14 individuals of A. gurkha and 9 individuals of M. sikimensis collected from Myagdi district of the Himalayas, Nepal, in November of 1994 and March of 1996 were examined parasitologically. Heligmosomoides neopolygyrus, Heligmonoides sp., Syphacia agraria, Heterakis spumosa, Rictularia cristata and Catenotaenia sp.were obtained from A. gurkha, and Carolinensis minutus, Syphacia montana, Aonchotheca murissylvatici, Trichuris sp., Anoplocephalidae gen.sp.and a metacestode of Taeniidae gen.sp.were obtained from Microtus sikimensis. These species, excluding Heligmonoides sp.which seems to be host specific to A. gurkhaand belongs to a new species, are the common species from the genera Apodemus or Microtus in the Eurasian Continent.
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Case report
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  • Tick Infestation of African Buffaloes (Syncerus caffer caffer) in Kilombero Valley, Tanzania
    Keisuke SAKATA, Akemi SAKATA, Julius H. MACHANGE, Takashi MAKITA
    1997 Volume 2 Issue 2 Pages 91-99
    Published: 1997
    Released on J-STAGE: May 05, 2018
    DOIhttps://doi.org/10.5686/jjzwm.2.91
    JOURNAL FREE ACCESS
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    Eighteen African buffaloes in Kilombero Game Controlled Area, South-eastern Tanzania, were examined for tick infestation. A total of seven tick species; Amblyomma eburneum, Amblyomma gemma, Amblyomma tholloni, Hyalomma truncatum, Rhipicephalus compositus, Rhipicephalus evertsi evertsi and Rhipicephalus simus simus were collected from simultaneously examined 32 hosts of seven herbivore species including the African buffalo. Hydropericardium, petechial hemorrhage in the epicardium, myocardium and endocardium were diagnosed in a female adult buffalo. By macroscopic observation, it was diagnosed as the tick-borne rickettial disease, heartwater.
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  • Seroepidemiological Study of Coxiella burnetii in Cervus nippon in Northern Japan
    Morihiro YASUMOTO, Tsuyoshi YANASE, Yasukazu MURAMATSU, Hiroshi UENO, ...
    1997 Volume 2 Issue 2 Pages 101-106
    Published: 1997
    Released on J-STAGE: May 05, 2018
    DOIhttps://doi.org/10.5686/jjzwm.2.101
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    Q-fever, caused by Coxiella(C) burnetii, is one of the most important zoonoses. In the present study, the antibody against C.burnetii was analyzed by indirect immunofluorescence antibody(IFA) test in 168 individuals of Japanese deer (Cervus nippon) to determine the prevalence of Q-fever in wild deer of northern Japan. Specific antibody against C.burnetii was found in 72(42.9%) deer, including 24 of 46(52.2%) in Hokkaido and 48 of 122(39.3%) in Tohoku. In Toya and Shari, the positive rate between adult(66.7%) and immature animals(17.6%) was significant (p<0.01). In adult deer, a significant difference was also noted between Hokkaido and Tohoku(p<0.01).
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  • Physiological Characteristics of Electro-Ejaculated Giant Panda (Ailuropoda melanoleuca) Semen
    Wen He FENG, Jia ZHAO, Noboru FUJIHARA
    1997 Volume 2 Issue 2 Pages 107-112
    Published: 1997
    Released on J-STAGE: May 05, 2018
    DOIhttps://doi.org/10.5686/jjzwm.2.107
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    In the present experiment, 11 heads of giant male pandas (Ailuropda melanoleuca) aged 6 to 20 years old males were used. During breeding season, semen collection was done with an interval of more than 7 days by means of an appropriate semen collection method and the collected semen was used for both artificial insemination and cryogenic storage. In freshly collected and stored semen, spermatozoa survived more than 130 h (>5days) at 0〜4℃, while spermatozoa frozen for 1 to 6 years in liquid nitrogen (-196℃) maintained their motility for only 400 min (>6h) when incubated at 37℃. These two types of semen samples also lead to the production of offspring following artificial insemination. The giant panda spermatozoa were shown to have more than 30% of abnormal spermatozoa, higher than spermatozoa of other cat family. This brought about lower fertility after natural copulation or artificial insemination.
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  • Reproduction of Domesticated Collared Peccary (Tayassu tajacu) in Brazil
    PINHEIRO Marcelo Jose Pedorosa, Keisuke SAKATA, Akemi SAKATA, Takashi ...
    1997 Volume 2 Issue 2 Pages 113-116
    Published: 1997
    Released on J-STAGE: May 05, 2018
    DOIhttps://doi.org/10.5686/jjzwm.2.113
    JOURNAL FREE ACCESS
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    Dometic and wild collared peccaries or javelinas were bred at an experimental animal station of Mossoro Agricultural University in Brazil. Each group was composed of three males and six females and maintained in a compartment of 12m × 10m. Three groups of domestic and three groups of wild peccaries were maintained in a complex of six compartments. Three males in a group shared six females. When an additional female was introduced to a given group, she was eliminated as an invader. When a male died, all females were replaced with other six females. An estrous cycle was approximately 24 days and estrus lasted about four days. Breeding can occur throughout the year. The gestation period was about 145 days. Usually one offspring each time and occasionally two might be obtained. Offsprings were separated from their mother after four to five days of birth.
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Practical infomation
  • Reintroduction Plan for the Oriental White Stork (Ciconia boyciana) in Japan and Its Veterinarian's Role
    Koichi MURATA
    1997 Volume 2 Issue 2 Pages 117-122
    Published: 1997
    Released on J-STAGE: May 05, 2018
    DOIhttps://doi.org/10.5686/jjzwm.2.117
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    In 1971 the last Oriental white stork (Ciconia boyciana) which survived in the wild of Toyooka, Japan was placed in captivity. Presently the captive population of the stork has increased to over 100 birds in fourteen zoos and one stork center. A reintroduction plan for the species was initiated in 1992 and a new facility for captive breeding and reintroduction, including an enducational center, will soon be constructed. However, many problems still remain which could adversely affect the reintroduction plan such as power lines which may injure flying birds and use of pesticides in rice fields where storks feed. Veterinarians may have to become involved not only in the medical aspects of reintroduction of the Oriental white stork but also in environmental conservation efforts, in order to make this first organized wildlife reintroduction project in Japan successful.
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
    1997 Volume 2 Issue 2 Pages 123-131
    Published: 1997
    Released on J-STAGE: May 05, 2018
    DOIhttps://doi.org/10.5686/jjzwm.2.123
    JOURNAL FREE ACCESS
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