| Main Ref: | 193 |
| Disease type: | Bacterial diseases |
| Disease name: | Columnaris Disease (l.) |
| Other names: | Saddle back Disease; False Neon Disease; Cotton Wool Disease; Mouth Rot; Mouth Fungus |
| Caus. agent: | Flexibacter columnaris |
| Group: |
| Part of body and/or behavior affected by disease: | ||
| Skins and/or fins | Belly | Swimming behavior |
| Gills | Anus | Other behavior |
| Eyes | Viscera Afflicted | Other symptoms |
| Fish affected: | Salmonidae, Osphronemidae | |
| Symptoms: | Ulceration of dorsal trunk turning to a yellow-orange colored lesion, dorsal and caudal fin frayed, pale gills. | |
| Treatments: | Furanace 1.5 mg/l for 1 hour for 1 to 3 days. Can also be cured with some anti-bacterial medicines like, Neomycine (Dose: 2-4 gm/100 l for 3 days, with a 30-50% water change afterwards.), Pennicillin (Dose: 1, 5-2gm/100L for 24 hours), Nitrofurazone (Dose: 250-500 mg/100 l for 3 days, with at least 50% water change after treatment.), Nifurpirinol (Dose: 10-15 mg/100 l for an unlimited time or as instructed), Furaltadone, Sulfonamide or Quinolones (Oxilinic Acid/Naladixic Acid/Ciprofloxacine/Flumequine; Dose: 500 mg/L for 1 hour, 100-200 mg/100L for 1-2 days. Mixed in the food: 250-500 mg/100 gm food, to be fed during 5-7 days). Start the treatment on the first signs of the disease that can be observed. In the beginning stage of the disease, the use of Copper Sulphate or a short bath with Benzalkonium Chloride or Salt could be effective. | |
| Prophylaxis: | Avoid overcrowding and maintain optimal water conditions. | |
| Remarks: | Flexibacter columnaris is a synonym of Flavobacterium columnare. Ref. 048502. | |
| Mortality and seasonality | ||
| Mortality: | high (30% - 60%) | |
| Seasonality: | ||
picture (ColumnD0.jpg) by Bassleer, G. |
picture (ColumnD1.jpg) by Bassleer, G. |
picture (ColumnD4.jpg) by Bassleer, G. |
picture (GupDisD1.jpg) by Bassleer, G. |
picture (GupDisD3.jpg) by Bassleer, G. |