Development a long-term storage method for diapause eggs in some hybrid races of <i>Bombyx mori</i>
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- Iizuka Tetsuya
- Transgenic Silkworm Research Center, National Institute of Agrobiological Sciences
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- Mase Keisuke
- Silk Technology Unit, National Institute of Agrobiological Sciences
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- Okada Eiji
- Silk Technology Unit, National Institute of Agrobiological Sciences
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- Yamamoto Toshio
- Silk Technology Unit, National Institute of Agrobiological Sciences
Bibliographic Information
- Other Title
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- Development a long-term storage method for diapause eggs in some hybrid races of Bombyx mori
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Abstract
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>
Journal
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- Journal of Insect Biotechnology and Sericology
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Journal of Insect Biotechnology and Sericology 77 (2), 2_67-2_70, 2008
The Japanese Society of Sericultural Science
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Keywords
Details 詳細情報について
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- CRID
- 1390001205197207552
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- NII Article ID
- 10021221048
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- NII Book ID
- AA11558849
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- ISSN
- 18847978
- 13468073
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- NDL BIB ID
- 9573917
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed