Development a long-term storage method for diapause eggs in some hybrid races of Bombyx mori

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Maintaining silkworm races can probe to be labor intensive because stock races must be reared annually. The most effective way of reducing labor is to extend the period of preservation. A method for rearing silkworms bi-annually was recently proposed; however, it required several complicated procedures for egg preservation. In this study, we developed a simpler method for the preservation of silkworm diapause eggs, involving minimum care, refrigeration, and without terminating diapause. We first optimized storage conditions by investigating the relationship between the long-term storage of diapause eggs and the number of days needed to achieve diapause at 25°C, as well as the number of days required for termination at 5°C. We then developed a very simple 2-year egg storage method, using a high-humidity refrigerator for egg storage and only one intermediate care procedure. Using this new method, the period from one generation to the next is now 2years.<br>

収録刊行物

  • Journal of insect biotechnology and sericology  

    Journal of insect biotechnology and sericology 77(2), 67-70, 2008-06-30 

    The Japanese Society of Sericultural Science

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各種コード

  • NII論文ID(NAID)
    10021221048
  • NII書誌ID(NCID)
    AA11558849
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13468073
  • NDL 記事登録ID
    9573917
  • NDL 雑誌分類
    ZR7(科学技術--農林水産--農産)
  • NDL 請求記号
    Z54-J696
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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