Pet fish antimicrobial therapy — medicated food delivery, oxytetracycline dosage, route by infection site
Verbatim first-hand facts from Merck Veterinary Manual — Fish Management (saved first-hand text). Each bullet is an exact substring of the cited source and C1-substring verified (second-round health deepening, reusing saved Merck source).
Health facts
- Antimicrobials can be delivered to pet fish through any of the treatment routes listed; however, medicated food is most common and usually most effective.
- Oxytetracycline can be fed at a dosage of 55–83 mg/kg/day for 10 days to control many gram-negative bacterial infections, including columnaris disease.
- Generally speaking, bath and topical treatments are most useful for external infections, whereas medicated food and injection are most appropriate for internal infections.