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논문 기본 정보

자료유형
학술저널
저자정보
Won-Jun Seo (Daejeon Insect Eco Center) Sang-Eun Park (Chungnam National University) Young-Nam Youn (Chungnam National University)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.47 No.4
발행연도
2020.12
수록면
867 - 884 (18page)

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초록· 키워드

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Trypoxylus dichotomus is highly utilized in the domestic insect industry and bred at many farms nationwide. Recently, the number of farmers has been increasing due to the expansion of its use in food and medicine. However, the traditional breeding methods have high economic costs, which include relatively large breeding boxes, large amounts of sawdust and a 2 to 1 ratio (or higher) of female to male. Thus, it is essential to develop a cost-effective breeding method. In this study, a breeding cage with a partition was designed and used to investigate the reproduction rate of T. dichotomus with only a single pair of male and female insect. According to the investigation, the average number of eggs laid in the un-partitioned breeding cage was 93.6, and 121.3 eggs were laid in the partitioned breeding cage. This result shows that T. dichotomus lays more eggs in the partitioned breeding cage rather than in the un-partitioned breeding cage. In addition, it was found that T. dichotomus tends to lay more eggs in compressed sawdust, which was harder than the common fermented sawdust. Through a wind-tunnel assay, it was shown that the ovipositing female recognizes the eggs and avoids them to disperse their eggs elsewhere. These results indicate that the partitioned breeding cage may increase the hardness of the sawdust, restrict the adult’s movement and provide a new place for oviposition for the female, and therefore results in an increased reproduction rate with less cost.

목차

Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References

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