Doramectin (Livestock) for Cattle
Doramectin (Livestock) is used in cattle for GI nematodes, grubs, Internal and external parasites, lice. Routes documented in cattle: SC, IM, Topical (pour-on). ExoticRx tracks Doramectin (Livestock) dosing for cattle from primary veterinary literature; sign in to view the full rule set. Verify against current literature before clinical use.
Trade names: Dectomax
Dose rules — sign in to view
Cited dose rules for Doramectin (Livestock) in cattle are available with a free ExoticRx account. Each row carries the route, dose range, frequency, indication, evidence level, and primary-source citation.
Mechanism of action
Macrocyclic lactone avermectin with broad-spectrum activity against gastrointestinal nematodes, lungworms, grubs, lice, and mange mites. Potentiates glutamate-gated chloride channels.
Side effects & warnings
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.
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 primary literature; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.