Should fish be treated prophylactically?

For new arrivals, it’s almost always a YES. There’s never a guarantee you won’t bring diseases home. In fact, this is the most common way diseases get around. It’s always "buyer beware!"

How about resident fish? Should they be treated annually or biannually? If you don’t have issues and never have, then there’s no reason to expose fish to these poisons.

However, if parasites like Dactylogyrus or Capillaria have been diagnosed, and because it’s difficult in some instances to eradicate, then possibly YES, to prophylactically treat when fish show first signs of illness. To simply treat on a calendar schedule will lead to drug resistance.


Yours sincerely,

Dr Richmond Loh
DipProjMgt, BSc, BVMS, MPhil (Pathology), MANZCVS (Aquatics& Pathobiology), CertAqV, NATA Signatory.

Aquatic Veterinarian & Veterinary Pathologist.
PERTH | MELBOURNE | TOWNSVILLE
THE FISH VET – AUSTRALIA.

Aquatic Veterinary Medical & Diagnostic Services.
http://www.thefishvet.com.au
Ph: +61 421 822 383

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