Fish · Cyprinus carpio · typical adult weight 0.25–20.00 kg
Diflubenzuron is dosed at 0.01 mg/l immersion immersion/bath — see duration in kois, per Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.116. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712. Diflubenzuron (Antiparasitic) has cited veterinary dosing for kois. Routes documented in kois: immersion. A typical adult koi weighs 0.25–20.00 kg. ExoticRx lists 2 cited dose rules for Diflubenzuron in kois, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Aradol, CestoNemEx, Parazin
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| immersion | 0.01 mg/l | immersion/bath — see duration | 0.01 mg/l by prolonged immersion q6d for 3 treatments; follow the manufacturer’s recommendations for proprietary formulations. [BSAVA Small Animal Formulary 10th ed, Part B, p.116, printed verbatim] | — | Moderate | Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.116. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712 |
| immersion | 0.03 mg/l | not stated in the cited source | — | — | Moderate | Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.116. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/l) | Route | Source | As printed |
|---|---|---|---|
| 0.03 | IMMERSION | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.116 | 0.03 mg/l by prolonged immersion or 0.01 mg/l by prolonged immersion q6d for 3 treatments 1,2 |
| 0.01 | IMMERSION | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.116 | 0.03 mg/l by prolonged immersion or 0.01 mg/l by prolonged immersion q6d for 3 treatments 1,2; follow the manufacturer’s recommen |
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.
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CONTRAINDICATIONS (BSAVA Part B p.115, verbatim): Do not use in the presence of aquatic invertebrates. ADVERSE REACTIONS (BSAVA Part B p.115, verbatim): No information available. - Exotic Pets SAFETY AND HANDLING (BSAVA Part B p.115, verbatim): Normal precautions should be observed. ACTION (BSAVA Part B p.115, verbatim): Inhibits chitin synthesis during ecdysis (moulting) of exoskeleton in crustacean parasites. USE (BSAVA Part B p.115, verbatim): Treatment of crustacean ectoparasites in fish (e.g. Argulus, Ergasilus, Lernaea). Only effective during moulting of immature life stages of the parasites, including eggs, but not adults. It is highly toxic to non-target species and must not be used in the presence of invertebrates. It is persistent in the environment. Some formulations may require approval for use from relevant authorities in some countries. SOURCE: Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.115.
Species-specific contraindications and adverse-reaction reports for kois may differ from canine / feline reference data — consult the primary citations listed with each rule.
Diflubenzuron dose ranges in kois, with cited source references: immersion 0.01 mg/l immersion/bath — see duration; immersion 0.03 mg/l not stated in the cited source. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Diflubenzuron in kois: immersion.
Cited course lengths for Diflubenzuron in kois include: 0.01 mg/l by prolonged immersion q6d for 3 treatments; follow the manufacturer’s recommendations for proprietary formulations. [BSAVA Small Animal Formulary 10th ed, Part B, p.116, printed verbatim]. Duration depends on the indication — match it to the specific dose rule in the table above.
These are general warnings for Diflubenzuron across species; consult the koi dosing table above for species-specific guidance. CONTRAINDICATIONS (BSAVA Part B p.115, verbatim): Do not use in the presence of aquatic invertebrates. ADVERSE REACTIONS (BSAVA Part B p.115, verbatim): No information available. - Exotic Pets SAFETY AND HANDLING (BSAVA Part B p.115, verbatim): Normal precautions should be observed. ACTION (BSAVA Part B p.115, verbatim): Inhibits chitin synthesis during ecdysis (moulting) of exoskeleton in crustacean parasites. USE (BSAVA Part B p.115, verbatim): Treatment of crustacean ectoparasites in fish (e.g. Argulus, Ergasilus, Lernaea). Only effective during moulting of immature life stages of the parasites, including eggs, but not adults. It is highly toxic to non-target species and must not be used in the presence of invertebrates. It is persistent in the environment. Some formulations may require approval for use from relevant authorities in some countries. SOURCE: Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.115.
Why a species-specific page? Diflubenzuron pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in kois — 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.