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논문 기본 정보

자료유형
학술대회자료
저자정보
Hyoungwon Seo (Pukyong National University) Jeonghwan Park (Pukyong National University)
저널정보
한국수산과학회 양식분과 한국수산과학회 양식분과 학술대회 2021 Conference on the Future Technology of Fisheries Science [3개 분과 공동개최]
발행연도
2021.4
수록면
299 - 299 (1page)

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Currently chlorine dioxide (ClO<SUB>2</SUB>) is considered a promising disinfection material for aquaculture uses due to its high solubility and strong oxidative power. Thus, it is instantly volatile after disinfecting pathogens and likely minimizes the risk to aquatic organisms. This study was designed to find fundamental information on chlorine dioxide to use it practically in the aquaculture field. This study consists of two parts as follows; Exp. 1 - Acute toxicity tests of chlorine dioxide on four different types of live feeds (Isocrysis galbana, Nannochloropsis sp, Brachionus plicatilis, and Artemia salina), Exp. 2 - Disinfection efficiency of chlorine dioxide in the culture media for four different types of live feeds (Isocrysis galbana, Nannochloropsis sp, Brachionus rotendiformis, and Artemia salina). In Exp. 1, based on the specific growth rates of I. galbana and Nonochloropis sp., no observed adverse effect levels (NOAEL) were the same with 0.05 mg ClO<SUB>2</SUB>/L, while median effective concentrations (EC<SUB>50</SUB>) for those microalgae were estimated as 0.5 and 0.65 mg ClO<SUB>2</SUB>/L. Rotifer (Brachionus plicatilis) showed the same NOAEL as both microalgae, while its 24LC<SUB>50</SUB> was 0.64 mg ClO<SUB>2</SUB>/L similar to the level in Nonochloropis sp. For artemia (Artemia salina), 24LC<SUB>50</SUB> and NOAEL were found 5.99 and 2.00 mg ClO<SUB>2</SUB>/L, showing the relatively higher tolerance to chlorine dioxide compared to the other live feed organisms tested. In Exp. 2, the regrowth rate of Nonochloropis sp was inhibited by 83%compared to control with the treatment concentration of 4 mg ClO<SUB>2</SUB>/L under the concentrations o ... 전체 초록 보기

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