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1988 Fiscal Year Final Research Report Summary

Epidemiological and clinico-pathological study of congenital defects in cattle

Research Project

Project/Area Number 61480090
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field Applied veterinary science
Research InstitutionKagoshima University

Principal Investigator

HAMANA Katsumi  Professor, Dep.Vet.Med., Facult.Agricul., Kagoshima Univ., 農学部, 教授 (30011977)

Co-Investigator(Kenkyū-buntansha) MATSUMOTO Mitsuharu  Assist.Prof., Dep.Vet.Med., Fac.Agricul., Kagoshima Univ., 農学部, 助手 (30157383)
MOCHIZUKI Masami  Assoc.Prof., Dep.Vet.Med., Fac.Agricul., Kagoshima Univ., 農学部, 助教授 (90157834)
NISHIO Akira  Professor, Dep.Vet.Med., Facult.Agricul., Kagoshima Univ., 農学部, 教授 (90133181)
SHIMIZU Tsutomu  Professor, Dep.Vet.Med., Facult.Agricul., Kagoshima Univ., 農学部, 教授 (50072921)
Project Period (FY) 1986 – 1988
KeywordsCongenital defects / Calves / Chuzan virus disease / Akabane disease / Hemorrhagic diathesis / 致死性皮膚異常
Research Abstract

More than 2,000 calves with hydranencephaly and cerebellar hypoplasia was observed in Kyushu island, Japan during November, 1985 and April, 1986. They were generally weak and paretic at birth and could not suck milk by themselves. Most calves could stand several hours later, but none of them showed self-suck. Only a few cases showed self-suck after several days of nursing, but even then it usually was not enough, causing marked retarded growth. Some showed persistent paresis. Nervous signs such as opisthotonus, spasms and nystagmus were found in many cases. Even if they could walk, they only walked aimlessly probably due to disturbance of vision. A new orbi virus, Chuzan virus, was first suspected and later confirmed to be the causative agent.
In 1987, only 53 cases of defective calves were collected. Most of them were classified as skeletal, cardial and central nervous system, but no obvious signs of Akabane or Chuzan virus diseases were found.
In 1988, the moderate occurrence of Akabane disease mostly in cattle with low paritus was found between March and June. However, they were differentiated from the typical patterns of this disease in the following aspects; no preceding signs of arthrogryposis, relatively many cases of holstein and some cases complicated with cerebellar hypoplasia.
During the research periods, two hereditary defects were reported. 'Hereditary hemorrhagic dithesis suspected in eight Japanese black beef calves' occurred in one area of Miyazaki during 1972 and 1974 and ' congenital lethal skin defects in Japanese black cattle' occurred in Kagoshima during 1980 and 1982. Each of them was caused by one stud bull and those bulls were eliminated later. However, these defects are still found rarely probably due to recessive gene.

  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] 浜名克己: 家畜診療. 276. 19-29 (1986)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 浜名克己: 鹿児島大学農学部学術報告. 37. 157-166 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 西尾晃: 鹿児島大学農学部学術報告. 37. 129-136 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hamana,Katsumi: 14th World Congress on Diseases of Cattle, Dublin, Proceedings. 1. 81-85 (1986)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hamana,Katsumi; Taura,Yasuho: 15th World Congress on Diseases of Cattle, Palma, Proceedings. 2. 886-889 (1988)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 浜名克己: 日本獣医師会雑誌. 42. 29-38 (1989)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 伊沢久夫,清水悠紀臣編: "獣医学1986" 近代出版, 251 (1986)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hamana, Katsumi: "Congenital abnormalities in calves; especially on abnormality of central nervous system and its prognosis." J. Veterinary Clinic. 276. 19-29 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hamana, Katsumi: "Congenital lethal skin defects in Japanese black cattle." 14th World Congress on Diseases of Cattle, Dublin, Proceedings. 1. 81-85 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hamana, Katsumi; Otsuka,Hiromitsu; Nosaka, Dai: "Hereditary hemorrhagic diathesis suspected in eight Japanese black beef calves." Bulletin Facult.Agricul.Kagoshima Univ.37. 157-166 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hamana, Katsumi; Taura, Yasuho: "Epidemiological and clinical aspects of the calves with hydranencephaly and cerebellar hypoplasia caused by Chuzan virus." 15th World Congress on Diseases of Cattle, Palma, Proceedings. 2. 886-889 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hamana, Katsumi: "Bovine congenital defects and its occurrence in Japan." J. Jpn. Vet. Med. Assoc.42. 29-38 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hamana, Katsumi (Isawa, Hisao; Shizu, Yukimi, eds.): Progress in Veterinary Science 1986. (Congenital anomaly in cattle). Kindai Pub.CO., 131-147 (1986)

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

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Published: 1990-03-20  

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