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Storage Conditions and Oviposition Methods for Gryllus bimaculatus (Gryllidae) Eggs

쌍별귀뚜라미(Gryllus bimaculatus) 산란방법 및 알 저장조건

  • Kim, Seong-Yeon (Jeonnam Insect and Sericultural Research Institute) ;
  • Kim, Do-Ik (Jeonnam Insect and Sericultural Research Institute) ;
  • Koo, Hui-Yeon (Jeonnam Insect and Sericultural Research Institute) ;
  • Kim, Jung-Eun (Jeonnam Insect and Sericultural Research Institute) ;
  • Kim, Hyun-Jin (Jeonnam Insect and Sericultural Research Institute) ;
  • Lee, Yu-Beom (Jeonnam Insect and Sericultural Research Institute) ;
  • Kim, Ji-Soo (Jeonnam Insect and Sericultural Research Institute) ;
  • Kim, Ho-Hyuk (Jeonnam Insect and Sericultural Research Institute) ;
  • Han, Yeon-Soo (Department of Agricultural Biology, Jeonnam National University) ;
  • Kim, Young-Cheol (Department of Agricultural Biology, Jeonnam National University)
  • 김성연 (전남농업기술원 곤충잠업연구소) ;
  • 김도익 (전남농업기술원 곤충잠업연구소) ;
  • 구희연 (전남농업기술원 곤충잠업연구소) ;
  • 김정은 (전남농업기술원 곤충잠업연구소) ;
  • 김현진 (전남농업기술원 곤충잠업연구소) ;
  • 이유범 (전남농업기술원 곤충잠업연구소) ;
  • 김지수 (전남농업기술원 곤충잠업연구소) ;
  • 김호혁 (전남농업기술원 곤충잠업연구소) ;
  • 한연수 (전남대학교 농업생명과학대학) ;
  • 김영철 (전남대학교 농업생명과학대학)
  • Received : 2020.03.13
  • Accepted : 2020.05.15
  • Published : 2020.06.01

Abstract

In 2016, the two-spotted cricket was approved as a general food ingredient by the Korean Ministry of Food and Drug Safety. Additionally, the two-spotted crickets have high protein content (60%) and can be reared throughout the year even during the overwintering period. In this study, storage conditions were set in case cricket breeding was not possible due to problems such as breeding space and labor costs, and selection oviposition mats to determine high fecundity rates and low cannibalism rates for the eggs were investigated. The oviposition mat was mostly composed of soil (p < 0.05). Less than 62 crickets per 10 litters were found to be best suited for 1 day of spawning, based on the cannibalism rate of the eggs during the egg laying period. The results from the hatched eggs indicated that the hatching extended 12 to 14 days, and the best hatching rate was approximately 85% when stored at low temperatures(16℃) for 10 days. An efficient production proposed method that established the best oviposition mat and egg storage method for the cricket.

2016년에 쌍별귀뚜라미는 식품의약품안전처 식품공전에 등록된 식품원료로 가장 큰 장점은 월동 없이 연중 대량 사육이 가능하다는 것과 60% 이상의 단백질 함량이다. 본 연구에서는 사육공간, 인건비 등의 문제로 인하여 귀뚜라미 사육이 불가능할 때를 대비하여 저장조건을 설정하였으며, 산란율이 높은 산란처 선발과 알의 동종포식률을 조사하였다. 산란은 상토 산란처에서 가장 선호도가 높았으며(p < 0.05), 알의 동종포식률을 보았을 때 10 L 당 종령 약충 62마리 이하, 1일 동안 산란을 받는 것이 가장 적합한 것으로 판단되었다(p < 0.05). 알의 저온 저장을 하였을 때는 28℃에서 10일간 보관 후 16℃에서 10일간 저온 저장했을 때 부화율이 가장 높았고, 저장을 하지 않았을 때와 비교하였을 때 12~14일 부화를 연장할 수 있었다(p < 0.05). 쌍별귀뚜라미의 산란처, 산란 방법 및 알 저장조건을 설정함으로써 효율적인 생산방법을 제시하였다.

Keywords

References

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