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Long-Term Storage and Growth Control of the Edible Mealworm Species, Tenebrio molitor Linnaeus

식용곤충 갈색거저리의 장기저장 및 생육 조절 연구

  • Chan-Ouk Kim (Industrial Insect and Sericulture Division, Department of Agricultural Biology, National Institute of Agricultural Sciences) ;
  • Sangmin Ji (Industrial Insect and Sericulture Division, Department of Agricultural Biology, National Institute of Agricultural Sciences) ;
  • Gyu-Dong Chang (Industrial Insect and Sericulture Division, Department of Agricultural Biology, National Institute of Agricultural Sciences) ;
  • So-Yun Kim (Industrial Insect and Sericulture Division, Department of Agricultural Biology, National Institute of Agricultural Sciences) ;
  • Jeong-Hun Song (Industrial Insect and Sericulture Division, Department of Agricultural Biology, National Institute of Agricultural Sciences)
  • 김찬욱 (국립농업과학원 농업생물부 곤충양잠산업과) ;
  • 지상민 (국립농업과학원 농업생물부 곤충양잠산업과) ;
  • 장규동 (국립농업과학원 농업생물부 곤충양잠산업과) ;
  • 김소윤 (국립농업과학원 농업생물부 곤충양잠산업과) ;
  • 송정훈 (국립농업과학원 농업생물부 곤충양잠산업과)
  • Received : 2024.01.09
  • Accepted : 2024.01.19
  • Published : 2024.01.31

Abstract

We introduce a method for preserving yellow mealworm (Tenebrio molitor Linnaeus) larvae for an extended period and show that a high percentage of larvae can survive in good health under low-temperature storage conditions combined with specific diapause termination conditions. Our study revealed that we can regulate important development stages such as pupation, emergence, and larval duration by adjusting these termination conditions. When storing larvae aged 6-8 weeks for 140 days, the storage temperature can be varied based on our goals, giving us control over yellow mealworm production to meet specific demands. To produce adult beetles, storing larvae at 15 ℃ with wheat bran and ending diapause at 30 ℃ resulted in 90% pupation rate, with 60% becoming adults in 21 days. If our aim is larvae production, storing them at 10-12 ℃ with wheat bran and ending diapause at 25-30 ℃ allows the larvae to reach a suitable weight for processing. This straightforward approach ensures long-term storage of yellow mealworm larvae and provides a practical way to control their development, allowing efficient mass production tailored to market demands.

Keywords

Acknowledgement

본 연구를 위해 갈색거저리 사육과 실험을 도와주신 송미연 사육사(국립농업과학원 곤충양잠산업과)와 통계분석에 도움을 주신 권용석 연구사(국립농업과학원 식생활영양과)에게 깊이 감사드린다. 본 논문은 농촌진흥청 연구사업(과제번호: PJ01355902)의 지원에 의해 이루어진 것임.

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