Livestock · Bos taurus · typical adult weight 250.00–900.00 kg
CIDR (Progesterone Intravaginal Insert) is dosed at 1.38 g total INTRAVAGINAL 7 days in situ in cattle, per Verified against Riviere & Papich, Veterinary Pharmacology and Therapeutics, 10th Ed, p.702 (2026-08-01).. CIDR (Progesterone Intravaginal Insert) is used in cattle for Estrus synchronization. Routes documented in cattle: INTRAVAGINAL. A typical adult cattle weighs 250.00–900.00 kg. ExoticRx lists 1 cited dose rule for CIDR (Progesterone Intravaginal Insert) in cattle, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: CIDR, Eazi-Breed CIDR
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| INTRAVAGINAL | 1.38 g total | 7 days in situ | Estrus synchronization | Strong | Verified against Riviere & Papich, Veterinary Pharmacology and Therapeutics, 10th Ed, p.702 (2026-08-01). |
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Controlled internal drug release device containing progesterone. Provides sustained progesterone release to suppress estrus and ovulation, used in estrus synchronization protocols.
Intravaginal insert for cattle (also used extra-label in sheep and goats). Inserted for 5-7 days as part of synchronization protocol. May cause vaginitis. Handle with gloves. No withdrawal period.
Species-specific contraindications and adverse-reaction reports for cattle may differ from canine / feline reference data — consult the primary citations listed with each rule.
CIDR (Progesterone Intravaginal Insert) dose range in cattle, with cited source references: INTRAVAGINAL 1.38 g total 7 days in situ. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for CIDR (Progesterone Intravaginal Insert) in cattle: INTRAVAGINAL.
CIDR (Progesterone Intravaginal Insert) is indicated in cattle for: Estrus synchronization.
These are general warnings for CIDR (Progesterone Intravaginal Insert) across species; consult the cattle dosing table above for species-specific guidance. Intravaginal insert for cattle (also used extra-label in sheep and goats). Inserted for 5-7 days as part of synchronization protocol. May cause vaginitis. Handle with gloves. No withdrawal period.
Why a species-specific page? CIDR (Progesterone Intravaginal Insert) 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.