Livestock · Bos taurus · typical adult weight 250.00–900.00 kg
Ivermectin is used in cattle for GI nematodes, lungworms, Internal and external parasites. Routes documented in cattle: PO, SC. A typical adult cattle weighs 250.00–900.00 kg. ExoticRx lists 2 cited dose rules for Ivermectin in cattle, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Ivomec, Heartgard
Need the exact dose for your patient?
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.
Potentiates glutamate-gated chloride channels in invertebrate nerve and muscle cells, causing paralysis and death of parasites.
TOXIC to MDR1-mutant dogs (Collies, Shelties, Aussies) at elevated doses. DO NOT use in chelonians (turtles/tortoises). Narrow safety margin in some species. Test MDR1 status before use in herding breeds.
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? Ivermectin 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.