Symptoms associated with Trichodina
- Koi under one year old are more susceptible to Trichodina infection.
- First indication of a problem is fish flicking and flashing.
- Damage caused on the fish because of flicking and flashing.
- Bacterial infections as well as fungal infections may occur.
- Fish floats/hangs near the surface of the pond.
- Some koi may appear emaciated with the body wasting away.
- Whitish appearance around the head area that may spread across the whole body.
- Koi may become lethargic and weak.
- Fish may be pulled towards the skimmer or drains.
- If Trichodina has spread to the gills, the koi will frequent around air stones or water returns.
- In some cases, the fish may shake its head as if it is trying to dislodge a blockage from the mouth.
Prevention of Trichodina
- Avoid frequent water changes by heating the pond during spring and autumn.
- Do regular inspections of the filter to ensure no build up of debris. Debris can contribute to heavy infestations.
- Trichodina may be introduced through new plants, new fish and live food.
- Disinfect nets, plants and live food.
- Quarantine newly purchased fish
Treatment of Trichodina
- Salt (some strains of Trichodina are resistant to salt)
- Potassium Permanganate
- Malachite Green and Formalin
Last Updated on Sunday, 11 January 2009 10:27