Fish · Cyprinus carpio · typical adult weight 0.25–20.00 kg
Enrofloxacin is dosed at 2.5–5 mg/l by immersion immersion/bath — see duration in koi, per Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.135. — LOCATOR CONVENTION 2026-08-07: the bare 'p.135' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.121; verified by finding the drug named there. If you are holding the book, turn to p.121. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712. Enrofloxacin (Antibiotic) has cited veterinary dosing for koi. Routes documented in koi: by immersion, i.m.. A typical adult koi weighs 0.25–20.00 kg. ExoticRx lists 2 cited dose rules for Enrofloxacin in koi, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Baytril
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| by immersion | 2.5–5 mg/l | immersion/bath — see duration | 2.5-5 mg/l by immersion for 5 h q24-48h for 5-7 treatments. [BSAVA Small Animal Formulary 10th ed, Part B, p.135, printed verbatim] | — | Moderate | Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.135. — LOCATOR CONVENTION 2026-08-07: the bare 'p.135' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.121; verified by finding the drug named there. If you are holding the book, turn to p.121. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712Compilation only — we have not located an independent source that prints this figure. |
| i.m. | 5–10 mg/kg | q24-48h | — | — | Moderate | Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.135. — LOCATOR CONVENTION 2026-08-07: the bare 'p.135' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.121; verified by finding the drug named there. If you are holding the book, turn to p.121. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712Compilation only — we have not located an independent source that prints this figure. |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (% feed) | Route | Source | As printed |
|---|---|---|---|
| 0.1 | — | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 0.1% of feed × 10- 14 days |
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 5–10 | IM | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.135 | 5-10 mg/kg i.m., intracoelomic, p.o. q24-48h for 7 doses or 2.5-5 mg/l by immersion for 5 h q24-48h |
| 5–10 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 2.5-5 mg/L bath × 5 R hr q24h × 5-7 days 134 5 mg/kg PO, IM, ICe q24h 5-10 mg/kg PO q24h |
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These ranges are per kg. Enter your koi's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits bacterial DNA gyrase and topoisomerase IV, preventing DNA replication and transcription.
Avoid in growing animals (cartilage damage). Do NOT use in cats at doses >5mg/kg (retinal toxicity). Avoid concurrent use with theophylline.
Species-specific contraindications and adverse-reaction reports for koi may differ from canine / feline reference data — consult the primary citations listed with each rule.
Enrofloxacin dose ranges in koi, with cited source references: by immersion 2.5–5 mg/l immersion/bath — see duration; i.m. 5–10 mg/kg q24-48h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Enrofloxacin in koi: by immersion, i.m..
Cited course lengths for Enrofloxacin in koi include: 2.5-5 mg/l by immersion for 5 h q24-48h for 5-7 treatments. [BSAVA Small Animal Formulary 10th ed, Part B, p.135, printed verbatim]. Duration depends on the indication — match it to the specific dose rule in the table above.
These are general warnings for Enrofloxacin across species; consult the koi dosing table above for species-specific guidance. Avoid in growing animals (cartilage damage). Do NOT use in cats at doses >5mg/kg (retinal toxicity). Avoid concurrent use with theophylline.
Why a species-specific page? Enrofloxacin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in koi — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.
| 5–10 |
| IM |
| Carpenter's Exotic Animal Formulary, 6th edTable 2.1 |
| 5-10 mg/kg IM, ICe q48h × 7 treatments |
| 10 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 10 mg/kg PO q24h × 10 days |
| 10 | ICE | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 10 mg/kg ICe q96h × 4 treatments |
| 2.5 | IV | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 2.5 mg/kg IV q24h |
| 50 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 30 mg/kg PO q24h 50 mg/kg PO q24h Nile x 7 days |
| 30 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 30 mg/kg PO q24h 50 mg/kg PO q24h Nile x 7 days |
| 5 | PO | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 2.5-5 mg/L bath × 5 R hr q24h × 5-7 days 134 5 mg/kg PO, IM, ICe q24h 5-10 mg/kg PO q24h |
| Dose (mg/l) | Route | Source | As printed |
|---|---|---|---|
| 2.5–5 | IMMERSION | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.135 | 5-10 mg/kg i.m., intracoelomic, p.o. q24-48h for 7 doses or 2.5-5 mg/l by immersion for 5 h q24-48h for 5-7 treatments f. |
| 2.5–5 | IMMERSION | Carpenter's Exotic Animal Formulary, 6th edTable 2.1 | 2.5-5 mg/L bath × 5 R hr q24h × 5-7 days 134 5 mg/kg PO, IM, ICe q24h 5-10 mg/kg PO q24h |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.