PMSG
Pregnant Mare Serum Gonadotropin - Veterinary Reproductive Hormone
PMSG API, also known as eCG (equine Chorionic Gonadotropin) or Pregnant Mare Serum Gonadotropin, is a hormone extracted from the serum of pregnant mares. It is supplied as a lyophilized preparation specifically designed for veterinary reproductive formulations.
PMSG API exhibits combined FSH- and LH-like biological activity, making it highly effective for stimulating follicular development and inducing ovulation in a wide range of livestock species. Its extended biological half-life allows for predictable and sustained ovarian stimulation - a key advantage in veterinary fertility programs.
This formulation-ready API is supplied with an emphasis on stable supply, traceable quality, and manufacturing support, suitable for both R&D trials and large-scale commercial production.
Key Specifications & Supply Information
PMSG API (eCG / Pregnant Mare Serum Gonadotropin)
9002-70-4
Lyophilized powder (white to off-white)
Combined gonadotropin activity (FSH + LH-like)
Sealed at 2–8 °C, protected from moisture and light. Reconstitute under sterile conditions.
Lyophilized vials; sample orders, bulk supply, and OEM/custom packaging all available.
Veterinary Applications & Use Cases
PMSG API is widely used in veterinary reproductive medicine for:
1. Estrus Synchronization and Ovulation Induction
Used in cattle, sheep, goats, and pigs to synchronize estrus and induce ovulation, supporting herd-wide breeding and reproductive efficiency.
2. Superovulation Protocols
Applied in donor animals to stimulate multiple follicle development, enabling embryo transfer programs and high-yield reproduction cycles.
3. Fertility Management in Breeding Herds
Helps improve conception rates, shorten intervals between pregnancies, and support fertility recovery in animals with suboptimal reproductive performance.
Thanks to its longer circulatory half-life compared with endogenous gonadotropins, PMSG API provides consistent and sustained ovarian stimulation, reducing dosing variability in injectable veterinary products.
Documentation Provided With Each Batch
Every lot of PMSG API is supplied with a complete documentation package to support quality control, audits, and regulatory submissions:
▸ Certificate of Analysis (COA)
▸ Batch-specific bioactivity or IU assay data
▸ Stability and impurity profile
▸ Material Safety Data Sheet (MSDS)
▸ Technical Data Sheet (TDS)
This documentation simplifies API qualification, product registration, and routine QC processes.
Supplier & Procurement Advantages
Minimizing intermediaries for improved cost efficiency and supply chain transparency.
Transparent lot-level tracking from serum source to finished supply.
Sample orders for initial testing; smooth scale-up to bulk commercial supply.
Packaging options for distributors and local regulatory compliance requirements.
Full regulatory and audit readiness with comprehensive batch documentation.
Packaging, Logistics & Technical Support
PMSG API is packaged in moisture-protected lyophilized vials, often with desiccants and barrier liners to maintain stability during storage and transport. For international shipments, guidance is provided on:
▸ Cold-chain transport requirements
▸ Handling procedures upon receipt
▸ Recommended storage practices
Technical support is also available to assist with reconstitution, formulation integration, and injectable product development.
Frequently Asked Questions
Q: Can I order a small quantity for R&D or trial purposes?
Yes. Sample orders are supported for bioactivity testing, reconstitution evaluation, and formulation compatibility studies.
Q: What documentation is included with each batch?
Each lot includes COA, batch bioactivity/IU data, stability and impurity profile, and MSDS/TDS.
Q: Is scale-up to commercial supply possible after testing?
Yes. Once validated, we support consistent bulk supply with agreed lead times and quality standards.
Q: Do you offer OEM or custom packaging?
Yes. Packaging can be customized to meet branding, labeling, or regulatory requirements.
Summary
PMSG API is a proven and widely used veterinary reproductive hormone offering combined FSH- and LH-like activity. With reliable bioactivity, comprehensive documentation, flexible supply options, and strong technical support, it is well suited for modern veterinary fertility products from early development through commercial manufacturing.
Concerning Origin Biotech
Origin Biotech is committed to providing premium bioactive components and technologically sound insights with scientific validation for use in pharmaceutical, nutraceutical, and research applications. Our Knowledge platform provides professionals with trustworthy, lucid information about compounds like PMSG API.
Interested in PMSG API for Product Development or R&D?
We are able to offer:
To find out how PMSG API can support your next veterinary fertility program, get in touch with our team.
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