Fish Kidney Disorders

Symptoms

A). Small motile protozoans are found in a squash mount of kidney tissue

This involves flagellates that were transported by the blood to the kidneys

Treat with Metronidazole. in the food at 1/2 teaspoon per 4 ounces of food

B). Large numbers of bacteria are found in the tissues. Also, hemorrhages often occur

When bacteria gain entry to the kidneys, the rest of the body is certainly also affected

Treat with: Furazolidone Powder -or- TMP Sulfa -or Sulfa 4 TMP.

C). Cysts of various sizes occur in the kidney tissue

Tubercular and Ichthyophonus systs are often found in the kidney

No suitable treatment known.

D). The kidney tubules contain crystals and inclusion bodies

Organic substances often coat the crystals, so that multilayered structures are kidney stones

There are several causes of kidney stones in fish, i.e. medications and calcium crystallize or settle out in the kidneys.

E). The fish have popeye

This is a gram-positive bacterial infection of the kidney

Treat with TMP Sulfa -or- Erythromycin.