The biology and control of Caligus sp., an ectoparasite of the adult milkfish Chanos chanos Forskal
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One unidentified species of copepod belonging to the genus Caligus of the family Caligidae was found to infest the adult milkfish broodstock. To control the parasites infesting the adult milkfish, tests were made using the chemical (2,2,2-trichloro-1-hydroxyl)-phosphonic acid-dimethylethol (Neguvon) at a concentration of 0.25 ppm. It is noted that a concentration of 0.25 ppm of Neguvon maintained for 12-24 hours in the sabalo-containing tanks in a closed water system but with aeration is effective in controlling the parasites. Fish mortality during the experiment was due to inadequate aeration in the tanks.
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Suggested CitationLaviña, E. M. (1977). The biology and control of Caligus sp., an ectoparasite of the adult milkfish Chanos chanos Forskal.