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Study on the stabilized rearing of wild silkmoths

Research Project

Project/Area Number 05454065
Research Category

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

Allocation TypeSingle-year Grants
Research Field 蚕糸・昆虫利用学
Research InstitutionKYOTO INSTITUTE OF TECHNOLOGY

Principal Investigator

ICHIDA Masatoshi  K.I.T.Faculty of Textile Science, Associate Professor, 繊維学部, 助教授 (40223101)

Co-Investigator(Kenkyū-buntansha) FURUSAWA Toshiharu  K.I.T.Faculty of Textile Science, Professor, 繊維学部, 教授 (70127166)
Project Period (FY) 1993 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥6,600,000 (Direct Cost: ¥6,600,000)
Fiscal Year 1995: ¥1,300,000 (Direct Cost: ¥1,300,000)
Fiscal Year 1994: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 1993: ¥3,900,000 (Direct Cost: ¥3,900,000)
KeywordsWild silkmoth / Artificial rearing / Aseptic rearing / Antheraea yamamai / Supercooling point / Year-round rearing / 卵耐凍性 / 無菌平板給餌 / 低コスト人工飼料 / 発蛾同調化
Research Abstract

1.Composition of artificial diet for wild silk-moths.
We improved composition of artificial diet with the use of the Japanese oak silkworm, Antherses yamamai
The percentage of dry leaf powder exerts effect on the growth of the Japanese oak silkworm larva, and the feeding 25% feed acts so as to decrease a body weight, and can't molt at 2nd instar.
It was considered that dry leaf powder concent was in need of 40%.
The non-sugar feed increased the non-excuviated larva. It was considered that sugar content was in need of 10%.
2.Aseptic rearing
There was every possibility of introducing of aseptic rearing method by disin fection of eggs, rearing case, and stavilization of feed.
3.Comparison with the supercooling point.
As the result of the investigation on the surercooling point of eggs, the supercooling point was considered to be about -20゚C in Antheraea yamamai, about -25 - -26゚C in Caligula japonica (Moore) and Rhodinia fugax (Butler) , about -29゚C in Caligula jonasii (Butler) .
4.Limit of storage life of hibernating eggs
As the result of the investigation on the relation between the storage temperature and storage life of hibernating eggs, the limit of storage life was considered to be about 7 months at 5-2.5゚C,about a year at 2.5-2゚C after the spawning tim.

Report

(4 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • 1993 Annual Research Report
  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] Furusawa,T.: "Loiv Temperature-induced Accumulation of Alanine in the Hemolymph of Diapausing Pre-larvae and its Utilization During Embryonic Development Antheraea yamama" int. J. Wilds silkmoth of silk. 1. 31-35 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 古沢寿治: "天蚕卵の休眠過程に伴うリン脂質構成脂肪酸の変化" 日蚕雑. 63. 57-63 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Furusawa, T.et al.: "Low Temperature-induced Accumulation of Alanine in the Hemolymph of Diapausing Pre-larvae and its Utilization During Embryonic Development Antheraca yamamai" int.I.Wildsilk with and Silk. 1. 31-35 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Furusawa, T., et al.: "Changes in fatty acid composition of phosphoglycerides during the diapause and embryonic development of the Japanese oak silkworm Antheraes yamamai." J.Seric.Sci.Jpn.63. 57-63 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Furusawa,I.,et.al.: "Low Iemperature-inducid Aocumnlation of Atanine in the Hemolymph of Diapausing Be-Tarvoe and its Utiligation Dering Embry cnic Development of Antheraeb yanamai." int. J. Witd Silkmath of Silk. 1. 31-35 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] 古沢寿治: "天蚕卵の休眠過程に伴うリン脂質構成脂肪酸の変化" 日蚕雑. 63. 57-63 (1994)

    • Related Report
      1995 Annual Research Report

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Published: 1993-04-01   Modified: 2016-04-21  

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