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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국수산과학회 양식분과 한국양식학회지 한국양식학회지 제11권 제2호
발행연도
1998.5
수록면
223 - 230 (8page)

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초록· 키워드

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This study was carried out for the purpose of developing environmental friendly and effective chemical treatment method for the disease control in the land-based flounder culture which is industrially popular in the coastal area in Korea. The chemicals such as formalin, chlorine dioxide and hydrogen peroxide were treated to the 1 year old cultured flounder, Paralichthys olivaceus and their effects on the fish based on the 24hr-LC_(50), LT_(50), 24-hour survival rate at each experimental concentration, recovery rate of the survived individual from chemical treatment, and the histological change of the gill after chemical treatment were investigated and analyzed. The 24hr-LC_(50) was 321. 65 ppm for formalin, 419.62 ppm for chlorine dioxide, and 395.97 ppm for hydrogen peroxide, respectively. The LT_(50) was 15-hour for formalin, 17-hour for chlorine dioxide and 24-hour for hydrogen peroxide, respectively. Fishes exposed to the experimental concentration of three chemicals were quickly susceptible in the order of formalin, chlorine dioxide and hydrogen peroxide with a trend of shorter half lethal time at higher concentration. Initial survival rate of the flounder soon after chemical treatment was the highest in the hydrogen peroxide treatment compared with the other two chemicals. The histological damage by the hydrogen peroxide treatment was negligible compared with the other two chemicals. Accordingly, hydrogen peroxide treatment showed the lowest toxicity compared with the other two chemicals to the experimental fishes.

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Abstract

Introduction

Material and Methods

Results and Discussion

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UCI(KEPA) : I410-ECN-0101-2009-529-015345334