More information on Aeromonosis
Main Ref: 60  
Disease type: Bacterial diseases  
Disease name: Aeromonosis  
Other names: Infectious Ascites; Haemorrhagic Septicaemia; Red Fin Disease  
Caus. agent: Aeromonas hydrophila  
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: Clariidae, Anguillidae, Cyprinidae, Salmonidae, Channidae and Cichlidae.  
Symptoms: Ulceration, frayed fins denuded of tissue, exophthalmus, belly distended containing fluid, liver and kidney enlarged. The infected fish also displays cutaneous haemorrhage of the fins and trunk. Some infected species exhibits tail and fin rot and visible haemorrhage and ulceration on the body surface (Ref. 48848).  
Treatments: Oxytetracycline 55 mg/kg for 10 days in the food. Also a bath treatment is considered effective, bath treatment like, Nifurpirinol, with a dose: 10-15 mg/100L for an unlimited time (or as instructed), and Oxytetracycline, dose: 3-4 gm/100L for 2-3 days. Furazolidone (Dose: long bath, 0.5-1g/100L for 2 days), Enroflaxine (for long baths: 3-5 ml Baytril 10%/ 100L, this equals to 30-50 mg/100L; for short baths: 2.5mg (0.25ml Baytril 10%)/for a 5 hour bath every day, do this for 5-7 days) or Flumequine (Dose: long baths, 200-300 mg/100L for 1 or 2 days; short baths, 50-100 mg/L for 3 hours; in the food, 250-300 mg/100g fish food, for 5-7 days; as injection, 30 mg/kg body weight (IP/IM) and should last for a 10 day treatment) are also good treatment for this disease. For bigger fish, injection or mixed in the food is adviced, Florfenicol (mixed in the food, 1g/100g fishfood for 5 days or via injection 20-50mg/kg fish), Oxilinic acid (short baths: 100 mg/L for 15 minutes twice a day for three days ; long bath) and Sulfamide+Trimetoprim (Short bath: 100mg/L for 6-12 hours, until cured; Long bath: 5-7g/L for two days; in the food: 400-500mg/100g fish food for 1-2 weeks; Injection: 50mg/kg of fish (IP), to be repeated every week) gives good results. Ref. 48502.  
Prophylaxis: Avoid stress and overcrowding. Vaccination of fishes. Ref. 48502.  
Remarks: This usually occurs in tropical fishes and in many cases parasites is responsible for initiating this infection. Ref. 48502. Also Ref. 48848.  
Mortality and seasonality
Mortality:  
Seasonality:
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