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学科主题: Parasitology; Veterinary Sciences
题名: Prevention of Ichthyophthirius multifiliis infestation in goldfish (Carassius auratus) by potassium ferrate(VI) treatment
作者: Ling, Fei1, 2; Wang, Jian-Guo1; Liu, Qian-Fu1, 2; Li, Ming3; Ye, Ling-Tong1, 2; Gong, Xiao-Ning1
通讯作者: Wang, JG, Chinese Acad Sci, Inst Hydrobiol, Lab Healthy Aquaculture, Wuhan 430072, Peoples R China
关键词: Ichthyophthirius multifiliis ; Potassium ferrate(VI) ; Goldfish ; Infestation
刊名: VETERINARY PARASITOLOGY
发表日期: 2010-03-25
DOI: 10.1016/j.vetpar.2009.11.009
卷: 168, 期:3-4, 页:212-216
收录类别: SCI
文章类型: Article
部门归属: [Ling, Fei; Wang, Jian-Guo; Liu, Qian-Fu; Ye, Ling-Tong; Gong, Xiao-Ning] Chinese Acad Sci, Inst Hydrobiol, Lab Healthy Aquaculture, Wuhan 430072, Peoples R China; [Ling, Fei; Liu, Qian-Fu; Ye, Ling-Tong] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China; [Li, Ming] Wuhan Polytech Univ, Sch Anim Sci & Nutr Engn, Wuhan 430023, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Basic Research Program (also called 973 Program) [2009CB118700]; National Key Technology RD Program [2007BAD37803]; Research Program of Institute of Hydrobiology, Chinese Academy of Sciences [095A03]
类目[WOS]: Parasitology ; Veterinary Sciences
研究领域[WOS]: Parasitology ; Veterinary Sciences
摘要: Ichthyophthirius multifiliis is an important freshwater teleost pathogen that often leads to significant economic losses to the aquaculture industry. The purpose of this study was to assess the acute toxicity of potassium ferrate(VI) to I. multifiliis theront and the concentration needed to prevent I. multifiliis infestation in goldfish, Carassius auratus. Five hundred theronts were exposed to concentrations of potassium ferrate(VI) in each well of a 96-well microtiter plate and observed for 4 h to determine the acute toxicity. Results showed that the exposure of I. multifiliis theronts to potassium ferrate(VI) at concentrations of 4.80 mg/L or more resulted in 100% mortality by 4 h; the LC50 value was estimated to be 1.71 mg/L Aqueous static renewal 96-h bioassays were carried out to determine the acute toxicity of potassium ferrate(VI) to goldfish. The LC50 value for potassium ferrate(VI) in goldfish was 42.51 mg/L. Goldfish were exposed to 4000 theronts/fish in aerated tap water (a dose previously shown to result in consistent infestation) and treated with a single dose of potassium ferrate(VI) after 30 min contact with theronts. Infection level and prevalence were recorded everyday after exposure. The results revealed that potassium ferrate(VI) at the 4.80 mg/L or more concentrations can significantly reduce not only the number of trophonts on the fin of goldfish on day 3 (P < 0.05), but also the prevalence of ichthyophthiriasis (P<0.05). Potassium ferrate(VI) at a concentration of 4.80 mg/L was considered to be the lowest effective dose to prevent infestation of I. multifillis in goldfish. (C) 2009 Published by Elsevier B.V.
英文摘要: Ichthyophthirius multifiliis is an important freshwater teleost pathogen that often leads to significant economic losses to the aquaculture industry. The purpose of this study was to assess the acute toxicity of potassium ferrate(VI) to I. multifiliis theront and the concentration needed to prevent I. multifiliis infestation in goldfish, Carassius auratus. Five hundred theronts were exposed to concentrations of potassium ferrate(VI) in each well of a 96-well microtiter plate and observed for 4 h to determine the acute toxicity. Results showed that the exposure of I. multifiliis theronts to potassium ferrate(VI) at concentrations of 4.80 mg/L or more resulted in 100% mortality by 4 h; the LC(50) value was estimated to be 1.71 mg/L Aqueous static renewal 96-h bioassays were carried out to determine the acute toxicity of potassium ferrate(VI) to goldfish. The LC50 value for potassium ferrate(VI) in goldfish was 42.51 mg/L. Goldfish were exposed to 4000 theronts/fish in aerated tap water (a dose previously shown to result in consistent infestation) and treated with a single dose of potassium ferrate(VI) after 30 min contact with theronts. Infection level and prevalence were recorded everyday after exposure. The results revealed that potassium ferrate(VI) at the 4.80 mg/L or more concentrations can significantly reduce not only the number of trophonts on the fin of goldfish on day 3 (P < 0.05), but also the prevalence of ichthyophthiriasis (P<0.05). Potassium ferrate(VI) at a concentration of 4.80 mg/L was considered to be the lowest effective dose to prevent infestation of I. multifillis in goldfish. (C) 2009 Published by Elsevier B.V.
关键词[WOS]: WASTE-WATER TREATMENT ; CYPRINUS-CARPIO L ; CHANNEL CATFISH ; COPPER-SULFATE ; INACTIVATION ; INFECTION ; PERMANGANATE ; MECHANISM ; EFFICACY ; FOUQUET
语种: 英语
WOS记录号: WOS:000276520400006
ISSN号: 0304-4017
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13631
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Lab Healthy Aquaculture, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Wuhan Polytech Univ, Sch Anim Sci & Nutr Engn, Wuhan 430023, Peoples R China

Recommended Citation:
Ling, Fei; Wang, Jian-Guo; Liu, Qian-Fu; Li, Ming; Ye, Ling-Tong; Gong, Xiao-Ning.Prevention of Ichthyophthirius multifiliis infestation in goldfish (Carassius auratus) by potassium ferrate(VI) treatment,VETERINARY PARASITOLOGY,2010,168(3-4):212-216
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