Livestock · Ovis aries · typical adult weight 30.00–120.00 kg
Derquantel is dosed at 2 mg/kg PO Once in sheep, per Merck Veterinary Manual. Derquantel is used in sheep for GI nematodes (combined with abamectin). Routes documented in sheep: PO. A typical adult sheep weighs 30.00–120.00 kg. ExoticRx lists 1 cited dose rule for Derquantel in sheep, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Startect
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 2 mg/kg | Once | Single dose | GI nematodes (combined with abamectin) | Strong | Merck Veterinary Manual |
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These ranges are per kg. Enter your sheep's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Antagonist at nicotinic acetylcholine receptors in nematodes, causing flaccid paralysis. Novel mechanism complements macrocyclic lactone activity.
Combined with abamectin for broader spectrum. Primarily for livestock. Limited companion animal data. Generally well tolerated.
Species-specific contraindications and adverse-reaction reports for sheep may differ from canine / feline reference data — consult the primary citations listed with each rule.
Derquantel dose range in sheep, with cited source references: PO 2 mg/kg Once. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Derquantel in sheep: PO.
Cited course lengths for Derquantel in sheep include: Single dose. Duration depends on the indication — match it to the specific dose rule in the table above.
Derquantel is indicated in sheep for: GI nematodes (combined with abamectin).
These are general warnings for Derquantel across species; consult the sheep dosing table above for species-specific guidance. Combined with abamectin for broader spectrum. Primarily for livestock. Limited companion animal data. Generally well tolerated.
Why a species-specific page? Derquantel pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in sheep — 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.