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Extenders are the most important factor for sucessful freezing outcome.

Extender production is
centralized to ensure consistency

SBS cryopreservation extenders are proprietary formulations that have been developed over the last 20 years and have been used in conjunction with our freezing protocols to process literally tens of thousands of ejaculates of stallion semen. The cryopreservation media may be the single most important factor for success and that is why all extenders for North American Labs are produced at our main laboratory in Maryland and shipped complete and frozen on dry ice to our affiliates as they are needed. Our SBSE facility in Italy produces all the extenders for our European network labs and extenders for Australasia are produced by a single laboratory in Australia. All extenders are made with the finest cell-culture grade reagents and ultra-pure (18 megOhm) sterile distilled water.  Furthermore, each lot of extenders is tested and adjusted to provide pH and osmotic pressure within a narrow critical range or the batch is discarded.

SBS Provides complete, objective information for mare and stallion owners.

SBS Affiliate Quality Control program guarantees consistent results.

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