Livestock · Bos taurus · typical adult weight 250.00–900.00 kg
Doramectin (Livestock) is dosed at 0.2 mg/kg SC single dose in cattle, per DECTOMAX - Doramectin Injection, Solution for Cattle and Swine [US Product Label]. Zoetis, Inc.; 2021. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=44b8a743-4f00-457a-8b7e-5f3a557c04f1 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.453 (2026-08-01). — Plumb's 10th ed (held) printed p.424, Doramectin monograph spanning p.424-425; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Doramectin (Livestock) is used in cattle for Internal and external parasites, GI nematodes, lungworms, grubs, lice, mange. Routes documented in cattle: SC. A typical adult cattle weighs 250.00–900.00 kg. ExoticRx lists 2 cited dose rules for Doramectin (Livestock) in cattle, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Dectomax
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| SC | 0.2 mg/kg | single dose | — | Internal and external parasites | Strong | DECTOMAX - Doramectin Injection, Solution for Cattle and Swine [US Product Label]. Zoetis, Inc.; 2021. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=44b8a743-4f00-457a-8b7e-5f3a557c04f1 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.453 (2026-08-01). — Plumb's 10th ed (held) printed p.424, Doramectin monograph spanning p.424-425; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
| SC | 0.2 mg/kg | Once | Single injection | GI nematodes, lungworms, grubs, lice, mange | Strong | DECTOMAX - Doramectin Injection, Solution for Cattle and Swine [US Product Label]. Zoetis, Inc.; 2021. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=44b8a743-4f00-457a-8b7e-5f3a557c04f1 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.453 (2026-08-01). — Plumb's 10th ed (held) printed p.424, Doramectin monograph spanning p.424-425; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mcg/kg) | Route | Source | As printed |
|---|---|---|---|
| 200 | IM | Papich Saunders Handbook of Veterinary Drugs, 4th edp.295 | • 200 mcg/kg (0.2 mg/kg) or 1 mL per 50 kg (110 pounds), single injection, IM |
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 0.2 | IM | Papich Saunders Handbook of Veterinary Drugs, 4th edp.295 | • 200 mcg/kg (0.2 mg/kg) or 1 mL per 50 kg (110 pounds), single injection, IM |
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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These ranges are per kg. Enter your cattle's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Macrocyclic lactone avermectin with broad-spectrum activity against gastrointestinal nematodes, lungworms, grubs, lice, and mange mites. Potentiates glutamate-gated chloride channels.
SC injection in cattle; IM in swine. Not for use in female dairy cattle of breeding age. Observe withdrawal periods (meat: 35 days injectable). Do not use in calves under 200 lbs intended for veal.
Species-specific contraindications and adverse-reaction reports for cattle may differ from canine / feline reference data — consult the primary citations listed with each rule.
Doramectin (Livestock) dose ranges in cattle, with cited source references: SC 0.2 mg/kg single dose; SC 0.2 mg/kg Once. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Doramectin (Livestock) in cattle: SC.
Cited course lengths for Doramectin (Livestock) in cattle include: Single injection. Duration depends on the indication — match it to the specific dose rule in the table above.
Doramectin (Livestock) is indicated in cattle for: Internal and external parasites, GI nematodes, lungworms, grubs, lice, mange.
These are general warnings for Doramectin (Livestock) across species; consult the cattle dosing table above for species-specific guidance. SC injection in cattle; IM in swine. Not for use in female dairy cattle of breeding age. Observe withdrawal periods (meat: 35 days injectable). Do not use in calves under 200 lbs intended for veal.
Why a species-specific page? Doramectin (Livestock) pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cattle — 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.