questions: query regarding parasitic disease control, argulosis. 
 answers: treatment-application of malathion @ 0.25-0.5 ppm, 3-4times at weekly interval .
 dip treatment in 1% malathion.
 bath treatment for 30 minutes in 2.0% salt solution.
 cleaner @30 ml/ bigha water spread area.
 use hard substrate (planks/ bamboo) in pond water for attachment of eggs of argulus.
remove at interval and get sun dried to kill the eggs.