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Studies on the effects of malnutrition during raising stage on the bone growth of calves at subsequent stage

Research Project

Project/Area Number 59480079
Research Category

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

Allocation TypeSingle-year Grants
Research Field 畜産化学
Research InstitutionKyoto University

Principal Investigator

KAWASHIMA Ryoji  Professor, Faculty of Agriculture, Kyoto University, 農学部, 教授 (50026382)

Co-Investigator(Kenkyū-buntansha) YANO Hideo  Associate Professor, Faculty of Agric., Kyoto Univ., 農学部, 助教授 (20026587)
Project Period (FY) 1984 – 1986
Project Status Completed (Fiscal Year 1986)
Budget Amount *help
¥6,300,000 (Direct Cost: ¥6,300,000)
Fiscal Year 1986: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1985: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1984: ¥3,800,000 (Direct Cost: ¥3,800,000)
KeywordsCalf raising / Bone growth, / Malnutrition
Research Abstract

This study was to investigate the effects of malnutrition during raising sttage on bone growth of calves at subsequent stage. Principal results were as follows:
1. Relationships betwwn bone growth and blood constitutents were examined to find the estimation method of the degree of bone growth of living animal without killing. It was concluded that the estimation of bone growth by blood constituents of living animal was very difficult, while there were some correlations between bone growth and calcium or thyroxine levels in blood.
2. The method to estimate the bone growth directly in living animal was examined. Morphological growth of bone was estimated by X ray examination, but microdensitometer was necessary to measure the bone density. X ray apparatus and mirodensitometer for human diagnosis was too small for calves, but was useful to estimate the bone growth of lamgs.
3. Malnutrition on raising stage of lambs depressed the growth of bone length and bone width. These effects continued for long time even though feed was changed to normal nutritional level. Pregnancy and delivery also depressed the bone growth. Bone density was higher on malnutritional condition than normal condition. of lambs, and was not affected by pregnancy and delivery.
4. Blood thyroxine level was depressed by malnutrition in calves and rats. Injection of thyroxine to malnutrition rats did not affect to bone growth. It was suggested that depression of bone growth by malnutrition was not depended only by the thyroxine deficiency.

Report

(2 results)
  • 1986 Annual Research Report   Final Research Report Summary
  • Research Products

    (15 results)

All Other

All Publications (15 results)

  • [Publications] 倉光 望: Journal of Nutritional Science and Vitaminology. 31. 189-196 (1985)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 金川 佳弘: Japanese Journal of Zootechnical Science.57. 65-70 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 金川 佳弘: 日本畜産学会報. 57. 385-389 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 金川 佳弘: 日本畜産学会報. 57. 546-548 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 金川 佳弘: Journal of Nutrition Science and Vitaminology. 33. (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Nozomu KURAMITSU: "The influence of protein and/or energy deficiency on the growth of long bone in rats." Journal of Nutritional Science and Vitaminology. 31. 189-196 (1985)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yoshihiro KANAGAWA: "Effect of protein and/or calorie malnutrition on growth and metabolism of bone in calves." Japanese Journal of Zootechnical Science. 57. 65-70 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yoshihiro KANAGAWA: "Studies on bone growth in protein and/or calorie malnutrished calves." Japanese Journal of Zootechnical Science. 57. 385-389 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yoshihiro KANAGAWA: "Effect of malnutrition on thyrotropin releasing hormon- induced thyroxine secretion in rats." Japanese Journal of Zootechnical Science. 57. 546-548 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Yoshihiro KANAGAWA: "Effect of thyroxine injection on bone growth in malnutrished tats at different growth stages" Journal Nutritional Science and Vitaminology. 33. (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] 倉光望: Journal of Nutritional Science and Vitaminology. 31. 189-196 (1985)

    • Related Report
      1986 Annual Research Report
  • [Publications] 金川佳弘: Japanese Journal of Zootechnical Science.57. 65-70 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] 金川佳弘: 日本畜産学会報. 57. 385-389 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] 金川佳弘: Journal of Nutrition Science and Vitaminology. 33. (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] 金川佳弘: 日本畜産学会報. 57. 546-548 (1986)

    • Related Report
      1986 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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