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2000 Fiscal Year Final Research Report Summary

Continuing monitaring and manegement of natural environment on wildlife pathobiology and ecology.

Research Project

Project/Area Number 10306020
Research Category

Grant-in-Aid for Scientific Research (A).

Allocation TypeSingle-year Grants
Section一般
Research Field Applied veterinary science
Research InstitutionGIFU UNIVERSITY

Principal Investigator

MASEGI Toshiaki  GIFU UNIVERSITY, FACULTY OF AGRICULTURE, PROFESSOR, 農学部, 教授 (70014115)

Co-Investigator(Kenkyū-buntansha) MINAMOTO Nobuyuki  GIFU UNIVERSITY, FACULTY OF AGRICULTURE, PROFESSOR, 農学部, 教授 (10144007)
FUKUSHI Hideto  GIFU UNIVERSITY, FACULTY OF AGRICULTURE, ASSOSIATE PROFESSOR, 農学部, 助教授 (10156763)
SUZUKI Yoshitaka  GIFU UNIVERSITY, FACULTY OF AGRICULTURE, PROFESSOR, 農学部, 教授 (70021699)
TSUBOTA Toshio  GIFU UNIVERSITY, FACULTY OF AGRICULTURE, ASSOSIATE PROFESSOR, 農学部, 助教授 (10207441)
KUDO Tadaaki  GIFU UNIVERSITY, FACULTY OF AGRICULTURE, PROFESSOR, 農学部, 教授 (00002080)
Project Period (FY) 1998 – 2000
Keywordspatobiology / ecology / parapox virus infection / Japanese serow / EHV-9 / endocrine disruptor accumulation / Japanese bear / wildlife management
Research Abstract

1. To clarify the infectivity of parapox virus re-emerging in Japanese serow in mountains was inoculated to sheep. As a result, parapox virus was proved to spread from serow to sheep easily. This study warns the role of serow as a reservoir in parapox virus infection.
2. GHV-1 is a new type emerging equine herpesvirus isolated from a mass outbreak of encephalitis in gazelles. In this study, GHV-1 was designated as EHV-9 based on virological and pathological studies. EHV-9 induced experimentally encephalitis in wide variety of animals including horses, goats, cattle, pigs, dogs, hamsters, mice and guinea pigs. This virus was fatal to all animals infected except horses, cattle and pigs. EHV-9 was shown to be strongly neurotropic virus, which had an intense infectivity to a wide range of animals.
3. The resudue levels of several organochlorine compounds, including PCBs, DDTs, HCH, were determined in samples of various wildlife living in Chubu district, central part of Japan. As a result, high residue levels of organochlorine compounds were detected in birds, especially raptors, which were higher than those in other mammals. Besides, influences of compounds on physical condition in animals were investigated experimentally.
4. In this study, useful information for conservation of endangered wildlife was obtained. Ecological and physiological condition of reproduction in Japanese bears and Northern seals was investigated. In addition, establishment of techniques for artificial reproduction in endangered wildlife was done. Furthermore, some useful information on the endocrine disruptor accumulation and reproductive disorder in mammals and raptors was obtained. These results indicate that continuing monitoring of natural environment is needed to protect the earth. On the other hand, research on wild birds pathology, zoo animal pathology including non-human primates and mechanism of hibernation etc. were done.

  • Research Products

    (23 results)

All Other

All Publications (23 results)

  • [Publications] Uni,S.: "An Oncocerca species from cattle on Kyushu island is O.suzukii, a transfuge parasite from the Japanese endemic bovid crispus."Jpn.J.Trop.Med.Hyg.. 26. 157-160 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yanai T.: "Neuropathological study of gazelle herpesvirus 1 (equine herpesvirus 9) infection in Thomson's gazelles (Gazella thomsoni)."J.Comp.Pathol.. 119. 159-168 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 柵木利昭: "野生動物医学における病理学の役割."野生動物医学会誌. 3. 9-15 (1998)

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      「研究成果報告書概要(和文)」より
  • [Publications] Fukushi,H.: "A hamster model of equine herpesvirus 9 induced encephalitis."J.NeuroVirol.. 6. 314-319 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 鈴木義孝: "ニホンカモシカのパラポックスウイルス感染症"獣医畜産新報. 53. 839-843 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tsubota,T.: "Immunolocalization of steroidogenic enzymes in the corpus luteum and the placenta of the Japanese black bear,"Reproduction. 121(in press). (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 坪田敏男: "高橋迪雄監修,"哺乳類の生殖生物学"季節繁殖."学窓社. 7 (1999)

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  • [Publications] 坪田敏男: "川道武男監修,"冬眠する哺乳類"クマ-生理的側面から-"東京大学出版会. 21 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Masegi, T.: "The role of pathology in zoo and wildlife medicine."Jpn.J.Zoo Wildl.Med.. 3. 9-15 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Uni, S.: "An onchocrca species from cattle on Kyushu Island is O.Suzukii, a transfug parasites form the Japanese endemic bovid, Capricornis crispus."Jpn.J.Trop. Med.Hyg.. 26. 157-160 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hoshi, H.: "Organochlorine pesticides and polychlorinated biphenyl congeners in wild terrestrial mammals and birds from Chubu region, Japan : interspecies comparison of the residue levels and compositions."Chemosphere. 36. 3211-3221 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yanai, T.: "Neuropathological study of gazelle herpesvirus 1 (Equine Herpesvirus 9) infection in Thomson's gazelles (Gazella thomsoni)."J.Comp.Pathol.. 119. 159-168 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yanai, T.: "Equine herpesvirus 9 (EHV-9) induced encephalitis in Thomson's gazelles (Cazella thomsoni) : virological, pathological and experimental studies."Verh.ber.Erkrg.Zootiere. 39. 449-450 (1999)

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      「研究成果報告書概要(欧文)」より
  • [Publications] Taniguchi, A.: "Pathogenicity of a new neurotropic equine herpesvirus 9 (Gazelle herpesvirus 1) in horses."J.Vet.Med.Sci.. 62. 215-218 (2000)

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  • [Publications] Narita, M.: "Brain lesion and tansmission of expermental Equine Herpesvirus type 9 in pigs."Vet.Pathol.. 37. 476-479 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Fukushi, H.: "A hamster model of equine herpesvirus 9 induced encephalitis."J.Neuro Virol.. 6. 314-319 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Sakai, Y.: "Malignant melanoma of the palpebral conjunctiva in a fallow deer (Dama dama)."J.Wildl.Desiese. (in pless). (2000)

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  • [Publications] Sakurai, N.: "Effects of acids on neural activity elicited by other taste stimuli in the rat Chorda tympani."Brain Res.. 859. 369-72 (2000)

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  • [Publications] Sato, M.: "Changes in serum progesterone, estradiol-17 β, luteinizing hormone and prolactin in lactating and non-lactating Japanese black bears (Ursus thibetanus japonicus)."J.Reprod.Dev.. 46. 301-308 (2000)

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  • [Publications] Kojima, E.: "Characterization of semen collected from beagle dogs and captive Japanese black bears (Ursus thibetanus japonicus)."Theriogenology. (in press.).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsubota, T.: "Immunolocalization of steroidogenic enzymes in the corpus luteum and the placenta of the Japanese black bear, Ursus thibetanus japonicus, during pregnancy."Reproduction. 121, (in press.).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Thapaliya, S.: "Bradykinin causes endothelium-independent hyperpolarization andmodulates neuromuscular transmission by prostanoid synthesis in hamster superior mesenteric artery."European J.Pharmacol.. 408. 313-321 (2000)

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  • [Publications] Saito, H.: "Enhancement of ATP release in hindlimb symapthetic perivascular nerve of the golden hamster during hibernatio"J.physiol.. (In press).

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2002-03-26  

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