Fenbendazole for Chicken
Livestock · Gallus gallus domesticus · typical adult weight 0.50–5.00 kg
Fenbendazole is used in chicken for Ascaridia, Heterakis, Capillaria. Routes documented in chicken: PO. A typical adult chicken weighs 0.50–5.00 kg. ExoticRx lists 1 cited dose rule for Fenbendazole in chicken, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Panacur
Dose ranges
| 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 |
Need the exact dose for your patient?
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.
Mechanism of action
Binds to beta-tubulin, inhibiting microtubule polymerization in parasites. Disrupts energy metabolism and cell division.
Side effects & warnings
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 chicken may differ from canine / feline reference data — consult the primary citations listed with each rule.
Other Antiparasitic drugs with chicken dosing
Fenbendazole dosing in other species
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 chicken — 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.