FISH DISEASE: LIVER DISORDERS

 

Fish Liver Disorders

Symptoms

 

Cause

 

Treatment and Links

A).   The liver is discolored brown or yellow.  The mounted specimen reveals nemerous light-colored fat droplets with dark borders Fish Behavioral Disorders Flow Chart The cause can be a).  Abdominal Dropsy or

b).  fatty degeneration of the liver due to faulty nutrition or to

c).  bacterial infection

Fish Behavioral Disorders Flow Chart a) Treat with Oxolinic Acid -or- with Gentamycin. 

b).  Change diet. 

c).  Treat with Sulfa 4 TMP -or- Gentamycin.

If not, look down the chart further
B).   The liver is greenish in coloration Fish Behavioral Disorders Flow Chart The bile duct is inflamed or obstructed.  The bile is trapped in the liver and gives it the green color Fish Behavioral Disorders Flow Chart This is probably an isolated case and the other fish do not need treatment.
If not, look down the chart further
C).   Small cysts 1 to 1.5mm appear on and in the liver Fish Behavioral Disorders Flow Chart Probably metacercarial cysts Fish Behavioral Disorders Flow Chart Prepare specimen and confirm the diagnosis by microscopic examination.
If not, look down the chart further
D).   Small white dots appear on the liver Fish Behavioral Disorders Flow Chart These can be Sporozoan, Tubercular or Ichthyophonus cysts Fish Behavioral Disorders Flow Chart The only effective treatment known is for Tuberculosis.  Start treating immediately with: Kanamycin + Vitamin B-6.  Treat for up to 30 days.
If not, look down the chart further
E).   Small eggs are seen in the squash mount of the liver tissue Fish Behavioral Disorders Flow Chart The eggs of the blood fluke Sanguicola spp are involved Fish Behavioral Disorders Flow Chart No suitable treatment known.
 
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