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Growth, Herbage Utilization and Meat Production in Japanese Black and Brahman Sired Crossbred Cattles

Research Project

Project/Area Number 04660282
Research Category

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

Allocation TypeSingle-year Grants
Research Field 畜産学(含草地学)
Research InstitutionTohoku University

Principal Investigator

YAMAGISI Toshihiro  Tohoku Univ. Faculty of Agriculture, Professor, 農学部, 教授 (30005607)

Co-Investigator(Kenkyū-buntansha) SHINOHARA Hisashi  Tohoku Univ. Faculty of Agriculture, Assistant Professor, 農学部, 助手 (50178886)
OHTA Minoru  Tohoku Univ. Faculty of Agriculture, Associate Professor, 農学部, 助教授 (00005670)
Project Period (FY) 1992 – 1993
Project Status Completed (Fiscal Year 1993)
Budget Amount *help
¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1993: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1992: ¥1,300,000 (Direct Cost: ¥1,300,000)
KeywordsBeef cattle / Brahman / Crossbreeding / Grazing ability / Digestibility / Behavior / Growth / 黒毛和種
Research Abstract

This study was carried out to examine whether an introduction of the germ plasm of Brahman(Z) breed was effective or not for improving the herbage utilization, physiological fundtion and growth potential of Japanese beef cattle.
1. Blood components and circulating levels of hormones were evaluated for 1/4Z, 3/4 Japanese Black(B) and BB heifers in the term of grazing and housing, and genetic differences in their traits were determined. Blood samples were taken in July and Octorber and eight houres before and after feeding of concentrate, and clinical screen of blood chemistries, IGF-1, T3 and Insulin were measured. 1/4Z was higher in cholesterol level and lower in trigricerid and total protein levels than BB in any terms. There were no breed-group differences in IGF-1 and T3.1/4Z tended to be higher than BB in insulin response after feeding of concentrate, but in the corresponding response of plasma glucose, there was no breed-group difference.
2. Daily gain(DG), herbage utilization and behavior in grazing were evaluated for calves of 1/4Z(3/4B), BB and Japanese Shorthorn(NN). NN was larger in DG than 1/2Z and BB, but there was no difference between 1/2Z and BB.NN was higher in fiber digestibility of July than other two, but there were no differnces among breed groups in herbage intakes per metabolic body weight and dry matter and protein digestibillities. In grazing beheviour, there was a difference between July and Octorber, but no differences among breed groups. As reasons of these results, the following two points were suggested, (1) breed charaacteristics were not shown by one group grazing of all calves, (2) releasing amounts per a day of chromic oxide capsule given for the estimation of herbage intakes were not constant in term of grazing.

Report

(3 results)
  • 1993 Annual Research Report   Final Research Report Summary
  • 1992 Annual Research Report
  • Research Products

    (8 results)

All Other

All Publications (8 results)

  • [Publications] 篠原 久 他5名: "ブラーマン交雑種F1および黒毛和種雌牛の放牧時における牧草利用性の比較" 川渡農場報告. 8. 41-45 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 篠原 久 他5名: "黒毛和種雄×ブラーマン交雑種F,および黒毛和種雌の採食量、採食行動および耐暑性について" 日草会誌. (発表予定). (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Shinohara, H.: "Herbage utilization in grazing of Brahman sired crossbred F_1 and Japanese Black cow" KAWATAABI FARM REPORT(TOHOKU UNIV.). 8. 41-45 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Yamagishi, T.: "Blood components and levels of various hormones in 1/2 and 1/4 Brahman crossbred and Japanese Black cow and heifers" ANIMAL.SCI.TECHNOL.65. (preparations) (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Yamagishi, T.: "Growth, herbage utilization and behavior in grazing of 1/4 Brahman crossbred, Japanese Black and Japanese Shorthorn calves" ANIMAL.SCI.TECHNOL.65. (preparations) (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 篠原久・稲垣靖彦・太田実・長谷川信美・千葉孝・山岸敏宏: "ブラーマン交雑種F_1および黒毛和種雌牛の放牧時における牧草利用性の比較" 川渡農場報告. 8. 41-45 (1992)

    • Related Report
      1993 Annual Research Report
  • [Publications] 篠原久・平山健・長谷川信美・太田実・千葉孝・山岸敏宏: "黒毛和種雄×ブラーマン交雑種F_1および黒毛和種雌の採食量,採食行動および耐暑性について" 日草会誌. (発表予定). (1994)

    • Related Report
      1993 Annual Research Report
  • [Publications] 篠原 久: "ブラーマン交雑種F_1および黒毛種の牧草利用性について" 東北大農学部川渡農場報告. 8. 41-45 (1992)

    • Related Report
      1992 Annual Research Report

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Published: 1992-04-01   Modified: 2016-04-21  

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