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Featured Stallion
AQHA, APHA, ApHC Going Global Breeding Search for Thawing Frozen |
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Complete, objective information for mare and stallion owners.
One of our founding principles is that all parties in frozen semen transactions should be treated fairly and that means providing detailed and accurate information concerning semen quality. When a mare owner or their veterinarian receives a shipment of frozen semen from SBS, they also receive detailed instructions on use of the semen for maximum success and a Frozen Semen Transaction Report that details the expected quantity and quality of spermatozoa in the frozen semen doses. Veterinarians and mare owners have come to rely on the open, objective and detailed information provided when semen is shipped from an SBS lab. Our strict post-thaw evaluation protocols are second to none and involve thawing two "test straws" from every single ejaculate frozen. The thawed semen is cultured for potential mare pathogens and counted using a hemacytometer or our new fluorescent cell counting device (see photo) to verify sperm numbers. An aliquot of the thawed semen is diluted in extender, incubated for 30 minutes at 37°C to provide a sort of "stress test" and then analyzed for critical motility characteristics using a sophisticated Hamilton-Thorne CEROS model computer assisted semen analyzer (CASA). Use of CASA provides detailed, accurate and most importantly objective measurements of sperm motility thus eliminating the bias or discrepancy between individual technicians that is inherent in subjective estimates of sperm motility. SBS Affiliate Quality Control program guarantees consistent results.
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