Antiparasitic effect of formalin, trichlorfon, hydrogen peroxide, and copper sulfate on the parasitic isopod Caecognathia coralliophila

Chong, Yen Thing and Julian Ransangan, and Kishio Hatai, (2016) Antiparasitic effect of formalin, trichlorfon, hydrogen peroxide, and copper sulfate on the parasitic isopod Caecognathia coralliophila. Fish Pathology, 51 (3). pp. 125-127. ISSN 1881-7335

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Abstract

Caecognathia coralliophila is known as a pathogenic ectoparasite infecting tiger grouper Epinephelus fuscoguttatus in a hatchery in Sabah, Malaysia. The effects of copper sulfate, formalin, trichlorfon, and hydrogen peroxide on the survival of C. coralliophila larvae were tested in vitro. The larvae were exposed to different concentrations of each chemical for 10, 20, 30, 60 min, or 24 h. Trichlorfon was found to be the most effective, killing the parasites within 24 h at 0.2 ppm. Consequently, the toxicity of trichlorfon to tiger grouper was tested. Fish were exposed to trichlorfon at 0.2 ppm for 24 h or 3.2 ppm for 60 min. No fish died in the experiment. Thus, our data suggest that trichlorfon is effective for treating C. coralliophilainfection in E. fuscoguttatus.

Item Type: Article
Uncontrolled Keywords: Caecognathia coralliophila, trichlorfon, Epinephelus fuscoguttatus, tiger grouper, ectoparasite
Subjects: S Agriculture > SH Aquaculture. Fisheries. Angling
Divisions: SCHOOL > Borneo Marine Research Institute
Depositing User: Munira
Date Deposited: 28 Feb 2018 06:49
Last Modified: 28 Feb 2018 06:49
URI: http://eprints.ums.edu.my/id/eprint/19009

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