• Title/Summary/Keyword: 충수

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Effects of rearing density on food consumption, adult mortality and mean number of hatchlings of Gryllus bimaculatus (Orthoptera: Gryllidae) (쌍별귀뚜라미, Gryllus bimaculatus (Orthoptera: Gryllidae)의 사육밀도가 섭식량, 성충사망률 및 부화 약충수에 미치는 영향)

  • Park, Young-Kyu;Lee, Hyung-Gun;Choi, Young-Cheol
    • Journal of Sericultural and Entomological Science
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    • v.51 no.2
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    • pp.89-94
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    • 2013
  • The aim of the present study is to investigate food consumption, hatching periods, adult mortality, the mean number of hatchlings and ovipositional trend of Gryllus bimaculatus De Geer. The rearing and experiments were conducted in the rearing room ($28{\pm}2^{\circ}C$, $60{\pm}10%$RH). As the adult rearing density increased from 50 to 400, it did not affect the average daily food consumption of adult crickets which was $0.067{\pm}0.008$ g a day. However, the daily radish consumption decreased from 0.128 to 0.068 g per day. 95.8% of eggs hatched by the sixth day after the beginning of hatching. The average mortality of the adults gradually increased, and reached 93.9% by the 8th week. Total number of hatchlings per female was $172.2{\pm}10.6$ ($mean{\pm}SD$) in 200 females rearing cages, which was noticeably less than $248.8{\pm}17.8$ ($mean{\pm}SD$) in 100 females rearing cages. Sex ratio of the crickets given in the rearing cages did not affect both the number of hatchlings and ovipositon rate. Oviposition rate periodically fluctuated as progressed, and it reached 81.5% of the total oviposition by the $3^{rd}$ week since the beginning of ovipoisiton.

Acute Appendicitis: A Rare But Probable Manifestation of Kawasaki Disease

  • Wonshik Choi;Sin Weon Yun;Mineui Hong;Suk-Won Suh;Dae Yong Yi;Ji Young Park
    • Pediatric Infection and Vaccine
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    • v.30 no.2
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    • pp.97-103
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    • 2023
  • Kawasaki disease (KD) is an acute, systemic inflammatory disorder that often targets coronary arteries. Being the common cause of acquired heart disease in children, timely diagnosis and intravenous immunoglobulin treatment are crucial. However, it is challenging for physicians to diagnose KD if it presents with atypical manifestations. We report the case of a 5-year-old boy who initially presented with appendicitis; after an appendectomy, he had a prolonged fever. He was finally diagnosed with atypical KD and successfully recovered after intravenous immunoglobulin treatment. Through a literature review, we found 21 cases of appendicitis associated with KD. In most cases, the patients were male with a mean age of 5.3 years. Most had higher proportions of incomplete KD and coronary artery complications than expected for typical KD. In conclusion, appendicitis could be a rare complication of KD; therefore, multidisciplinary cooperation and early recognition of atypical KD are essential for timely diagnosis.