Disease caused by worms

Dactylogyrosis:

• Causative agent is dactylogyrus vastator
• Found only on the gills of fish and known as gill fluke.

Disease symptom:

• Fading gill colors ( turns yellow)
• Gill necrosis
• Loss of gill functions and cause partial suffocation
• Excessive mucus secretion on the gills and skin
• Fish becomes lethargic, swim near the surface, seek the sides of the pond and refuse food.

Control:

• Pond treatment with dipterex @ 0.2 ppm
• Drain the pond and disinfect by quicklime
• Dip treatment with malachite green 1:15000 for one minute
• Bath the diseased fish in 2.5% common salt solution for 1 hour.
• Use 0.7% common salt for indefinite treatment
• Dip diseased fish in 5% acetic acid for 1 minute.