Livestock · Bos taurus · typical adult weight 250.00–900.00 kg
Ampicillin is used in cattle for Respiratory, soft tissue infections, Respiratory infections, listeriosis. Routes documented in cattle: IM. A typical adult cattle weighs 250.00–900.00 kg. ExoticRx lists 2 cited dose rules for Ampicillin in cattle, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Polyflex
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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.
Inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins. Broader spectrum than penicillin G with gram-negative coverage.
CONTRAINDICATED in rabbits, guinea pigs, and hamsters (fatal dysbiosis). May cause GI upset. Cross-reactivity with other beta-lactams. IM injection may be painful.
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? Ampicillin 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.