Journal of Sericultural and Entomological Science (한국잠사곤충학회지)

Korean Society of Sericultural Science (한국잠사학회)
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Growth characteristics of mealworm Tenebrio molitor

갈색거저리의 발육특성

  • Kim, Sun Young (Applied Entomology Division, National Academy of Agricultural Science, RDA) ;
  • Park, Jong Bin (Applied Entomology Division, National Academy of Agricultural Science, RDA) ;
  • Lee, Young Bo (Applied Entomology Division, National Academy of Agricultural Science, RDA) ;
  • Yoon, Hyung Joo (Applied Entomology Division, National Academy of Agricultural Science, RDA) ;
  • Lee, Kyeong Yong (Applied Entomology Division, National Academy of Agricultural Science, RDA) ;
  • Kim, Nam Jung (Applied Entomology Division, National Academy of Agricultural Science, RDA)
  • 김선영 (국립농업과학원 농업생물부 곤충산업과) ;
  • 박종빈 (국립농업과학원 농업생물부 곤충산업과) ;
  • 이영보 (국립농업과학원 농업생물부 곤충산업과) ;
  • 윤형주 (국립농업과학원 농업생물부 곤충산업과) ;
  • 이경용 (국립농업과학원 농업생물부 곤충산업과) ;
  • 김남정 (국립농업과학원 농업생물부 곤충산업과)
  • Received : 2015.03.30
  • Accepted : 2015.04.29
  • Published : 2015.04.30
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Abstract

As increasing utilization of Tenebrio molitor for industry, establishing effective conditions of indoor mass-rearing system become more important. For this reason, the aim of this study was to identify the physiological characteristics of Tenebrio molitor in different range of temperatures, photoperiods and rearing densities for mass breeding. As a result, their egg had above 70% hatching rate at $17.5{\sim}27.5^{\circ}C$ and the egg period was shown 5~7 days in $25{\sim}35^{\circ}C$. Consequently, in the consideration of the hatching rates and egg periods, the optimal indoor temperature for rearing was $25{\sim}27.5^{\circ}C$. Furthermore, development period of larvae in mass breeding system was shorter than individual breeding system under all the conditions of temperature. Also, the pupal weight was higher in mass breeding system except for $20^{\circ}C$ and $25^{\circ}C$. Considering elasticity of demand and weight of production, the effective condition was mass-breeding system at $25^{\circ}C$. In photoperiodic condition, the shortest of larval period was 157.35 day in 14L : 10D.

갈색거저리의 산업 활용도가 높아짐에 따라, 효율적인 실내 대량사육 시스템의 확립이 더욱 중요하게 인식되고 있다. 본 연구는 대량사육을 위해 다양한 범위의 온도, 광주기, 사육밀도에서 갈색거저리의 생리적 특성을 알아보고자 수행되었다. 갈색거저리 알은 $17.5{\sim}27.5^{\circ}C$에서 70% 이상의 부화율을 나타냈고, 부화기간은 $25{\sim}35^{\circ}C$에서 5~7 일로 조사되었다. 결과적으로, 부화율과 산란 전 기간(egg periods)을 고려했을 때, 대량사육을 위해 적절한 실내온도는 $25{\sim}27.5^{\circ}C$였다. 다양한 온도 조건하에서 대량사육 시스템에서 유충의 발육기간은 개별사육 시스템에서 보다 더 짧았다. 번데기 무게는 $20^{\circ}C$와 $25^{\circ}C$를 제외한 대량사육 시스템에서 좀 더 높게 관찰되었다. 수요 탄력성과 생산중량을 고려했을 때, 가장 효과적인 조건은 $25^{\circ}C$에서 대량사육한 실험군이었다. 14L : 10D의 광주기 조건에서 157.35일로 가장 짧은 유충기간을 나타냈다.

Keywords

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