Livestock · Gallus gallus domesticus · typical adult weight 0.50–5.00 kg
Fenbendazole is dosed at 10–50 mg/kg PO q24h for 3-5 days in chickens, per FARAD Withdrawal Guidelines. Fenbendazole is used in chickens for Ascaridia, Heterakis, Capillaria. Routes documented in chickens: PO. A typical adult chicken weighs 0.50–5.00 kg. ExoticRx lists 1 cited dose rule for Fenbendazole in chickens, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Panacur
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 10–50 mg/kg | q24h for 3-5 days | 3-5 days | Ascaridia, Heterakis, Capillaria | Moderate | FARAD Withdrawal Guidelines |
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These ranges are per kg. Enter your chicken's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Binds to beta-tubulin, inhibiting microtubule polymerization in parasites. Disrupts energy metabolism and cell division.
Very wide safety margin. Rarely causes vomiting or diarrhea. Safe in pregnant animals at standard doses. Must be given for multiple consecutive days for efficacy.
Species-specific contraindications and adverse-reaction reports for chickens may differ from canine / feline reference data — consult the primary citations listed with each rule.
Fenbendazole dose range in chickens, with cited source references: PO 10–50 mg/kg q24h for 3-5 days. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Fenbendazole in chickens: PO.
Cited course lengths for Fenbendazole in chickens include: 3-5 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Fenbendazole is indicated in chickens for: Ascaridia, Heterakis, Capillaria.
These are general warnings for Fenbendazole across species; consult the chicken dosing table above for species-specific guidance. Very wide safety margin. Rarely causes vomiting or diarrhea. Safe in pregnant animals at standard doses. Must be given for multiple consecutive days for efficacy.
Why a species-specific page? Fenbendazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in chickens — 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.