Livestock · Ovis aries · typical adult weight 30.00–120.00 kg
Toltrazuril is dosed at 20 mg/kg PO single dose in sheep, per BAYCOX - Toltrazuril Oral Suspension [Canadian Product Label for Calves, Piglets, Lambs]. Elanco Canada Limited; 2020. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1283 (2026-08-01). — Plumb's 10th ed (held) printed p.1256, Toltrazuril monograph spanning p.1255-1256; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Toltrazuril is used in sheep for Prevention of coccidiosis in lambs on farms with confirmed Eimeria crandallis / E. ovinoidalis - not for use in dairy sheep. Routes documented in sheep: PO. A typical adult sheep weighs 30.00–120.00 kg. ExoticRx lists 1 cited dose rule for Toltrazuril in sheep, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Baycox
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| PO | 20 mg/kg | single dose | Prevention of coccidiosis in lambs on farms with confirmed Eimeria crandallis / E. ovinoidalis - not for use in dairy sheep | Moderate | BAYCOX - Toltrazuril Oral Suspension [Canadian Product Label for Calves, Piglets, Lambs]. Elanco Canada Limited; 2020. — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1283 (2026-08-01). — Plumb's 10th ed (held) printed p.1256, Toltrazuril monograph spanning p.1255-1256; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
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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.
Disrupts mitochondrial function and nuclear division in all intracellular stages of coccidia. Coccidiocidal rather than coccidiostatic.
Generally well-tolerated. Primarily used for coccidiosis. Single-dose or short-course treatment. Bitter taste. Extra-label use in small animals.
Species-specific contraindications and adverse-reaction reports for sheep may differ from canine / feline reference data — consult the primary citations listed with each rule.
Toltrazuril dose range in sheep, with cited source references: PO 20 mg/kg single dose. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Toltrazuril in sheep: PO.
Toltrazuril is indicated in sheep for: Prevention of coccidiosis in lambs on farms with confirmed Eimeria crandallis / E. ovinoidalis - not for use in dairy sheep.
These are general warnings for Toltrazuril across species; consult the sheep dosing table above for species-specific guidance. Generally well-tolerated. Primarily used for coccidiosis. Single-dose or short-course treatment. Bitter taste. Extra-label use in small animals.
Why a species-specific page? Toltrazuril 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.