Ractopamine for Swine
Ractopamine is used in swine for Feed efficiency and carcass leanness, Feed efficiency in finishing turkeys. Routes documented in swine: PO. ExoticRx tracks Ractopamine dosing for swine from primary veterinary literature; sign in to view the full rule set. Verify against current literature before clinical use.
Trade names: Optaflexx, Paylean
Dose rules — sign in to view
Cited dose rules for Ractopamine in swine 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
Beta-adrenergic agonist that repartitions nutrients from fat deposition to lean muscle growth. Increases rate of weight gain, improves feed efficiency, and increases carcass leanness.
Side effects & warnings
Not for use in breeding animals. Banned in EU, China, Russia, and many other countries. Use only in finishing animals during the last 28-42 days before slaughter. Handle with caution; may cause tachycardia in humans.
Species-specific contraindications and adverse-reaction reports for swine may differ from canine / feline reference data — consult the primary citations listed with each rule.
Why a species-specific page? Ractopamine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in swine — 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.