Saturday, May 28, 2011

COMMON DISEASES IN FRESH WATER FISH


* FLEXIBACTER:

SCIENTIFIC NAME: Flexibacter spp.

COMMON NAME(S): mouth "fungus"

SYMPTOMS: Off-white marks around the mouth. As the infection spreads, white cottony tufts may appear in the mouth region, along with red ulcers on the body and frayed fins. Fish may "shimmy" and go off feed.

ORGANISM: bacterial infection, poor water quality

RECOMMENDED TREATMENT: Neomycin sulphate @ 250 mg/gallon. This antibiotic is affective against a wide range of gram+ and gram - bacteria. Improve water quality.

  
* ICK:

SCIENTIFIC NAME: Ichthyophthirius multifiliis

COMMON NAME(S): ick, white spot disease

SYMPTOMS: Large white spots on the fins and body of the infected fish.

ORGANISM: Ciliated protozoan

RECOMMENDED TREATMENT: .15 ppm malachite green. 3 treatments, two days apart.


* LERNIA:

SCIENTIFIC NAME: Lernia sp.

COMMON NAME(S): Anchor Worm

SYMPTOMS: "Worm" is seen on the body of the fish. Usually it is a female that is seen, with her two egg sacs on the rear of the parasite.

ORGANISM: Parasitic crustacean

RECOMMENDED TREATMENT: Remove parasite with tweezers, and paint the wound with tincture of iodine. In ponds, DYLOX, at a dose of .75ppm repeated every two days for three treatments, is advised. 
 

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