tetracycline treatment for fish

tetracycline treatment for fish

tetracycline treatment for fish

tetracycline treatment for fish

Excerpt found at http://freshaquarium.about.com/

by Shirlie Sharpe

tetracycline treatment for fish

In ornamental fish, Tetracycline is used to treat a variety of external and internal bacterial infections, including these disorders:

  • Hemorrhagic  Septicemia – bacterial infection of the bloodstream. Characterized by bloody streaks on the body and fins.
  • Cotton mouth disease – bacterial infection that affects the mouth with fungus like growth and erosion of the mouth parts.
    • Fin Rot – Fins and tail become ragged and frayed, in some cases almost completely eroding.
    • Gill Disease – Fish breathe heavily and gills appear bright red.
    • Open Body Sores – Bacterial infection causing open red sores on the body.
    • Body Slime – Slimy patches appear on the body, fish flashes against objects and breath rapidly.
    • Pop-eye – Eyes are hazy and may protrude from head.
    • Cyanobacteria – also used to treat cyanobacteria (blue-green algae).

Generally tetracycline is more effective against aerobic bacteria, particularly gram positive organisms. In infections caused by gram negative bacteria, minocycline is more effective than tetracycline. Tetracycline becomes more potent as it ages, so expiration dates should be carefully adhered to.

Tetracycline will kill nitrifying bacteria, so avoid using it along with other antibiotics to reduce the impact these drugs have on the biologicals. Monitor water chemistry closely for several weeks following treatment with this antibiotic, testing for ammonia and nitrite. Avoid the use of this drug if fish are already suffering from ammonia or nitrite poisoning, or diseases that have already rendered the fish significantly anemic.

High general hardness (GH) will reduce the effectiveness of this drug. Tetracycline it is not effective at all when the water pH is higher than 7.5. Remove any carbon filter media when using this drug, as it will remove the Tetracycline from the water. Tetracyclines can be safely used together with Methylene Blue.

Minocycline is a broader spectrum antibiotic than the other tetracyclines, particularly in treating infections caused by gram negative bacteria. Of the tetracycline family, it is most effective against septicemia.

read more.. http://freshaquarium.about.com/od/Fish_Health_Treatments/fl/Tetracycline.htm

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