붕어의 폐사에 미치는 合成洗劑의 急性毒性

• 영문명: Acute Toxicity of Synthetic Detergents on the Mortality for Crusian carp, Carassius auratus
• 발행기관: 군산대학교 수산과학연구소
• 저자명: 이정렬(Lee Jeong-Yeol) 김영길(Kim Young-Gill) 김종연(Kim Jong-Yeon) 김을배(Kim Eul-Bae)
• 간행물 정보: 『수산과학연구』제4호, 43~53쪽, 전체 11쪽
• 주제분류: 농수해양 > 해양학
• 파일형태: PDF
• 발행일자: 1988.11.01

영문 초록

Short-term acute toxicity of synthetic detergent(harmful and non-harmful detergents) to crusian carp, Carassius auratus was examined by static bioassay. The crusian carp was exposed to 10 different concentration of synthetic detergent for 240 hours in order to determine median lethal concentration(LC50). In case of harmful detergent, the 100% mortality was showed within 72 and 24 hours for 14 and above 20 ppm, but showed below 30% for until 10 ppm. For the non-harmful detergent, 80% of mortality was appeared for 450 ppm only The 48hr, 96hr and 240hr of median lethal concentration was found 12.85ppm, 11.86ppm !ind lO.36ppm respectively. The permissible toxicant concentration of acute toxicity to crusian carp was 1.19ppm. Gill tissue of dead crusian carp showed necrosis and blood vessel also damaged Epithelium of gill lamellae showed pronounced change in even 8 ppm below. During the test period, gills of survival animals appeared also change for non-harmful detergent. So, animals showed effection of detergent even though animals exposed to non-harmful detergent for long times.

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